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perf: 使用流式响应处理AI生成文本，提高用户体验
This commit is contained in:
xiongxiaoyang
parent
eff4fc4c7c
commit
d4fa0abc4e
@ -12,9 +12,13 @@ import org.springframework.http.server.ServerHttpResponse;
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import org.springframework.web.bind.annotation.RestControllerAdvice;
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import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;
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import java.util.Objects;
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/**
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* 在对 RestController 返回对象 json 格式化时，将所有 Long 类型转为 String 类型返回，避免前端数据精度丢失的问题
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* 取代 spring.jackson.generator.write-numbers-as-strings=true 配置，避免影响全局的 ObjectMapper 配置
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* 在对 RestController 返回对象 json 序列化时，将所有 Long 类型转为 String 类型返回，避免前端数据精度丢失的问题
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* 取代 spring.jackson.generator.write-numbers-as-strings=true 配置，避免影响全局的 ObjectMapper
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*
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* @author xiongxiaoyang
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* */
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@RestControllerAdvice
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public class CustomResponseBodyAdvice implements ResponseBodyAdvice<Object> {
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@ -38,7 +42,11 @@ public class CustomResponseBodyAdvice implements ResponseBodyAdvice<Object> {
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@Override
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public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
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// 使用自定义的 ObjectMapper 序列化响应体
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if(Objects.nonNull(body)) {
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return customObjectMapper.valueToTree(body);
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}else{
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return null;
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}
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}
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}
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@ -17,7 +17,14 @@ import jakarta.servlet.http.HttpServletRequest;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.ai.chat.client.ChatClient;
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import org.springframework.ai.chat.messages.UserMessage;
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import org.springframework.ai.chat.model.ChatModel;
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import org.springframework.ai.chat.model.ChatResponse;
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import org.springframework.ai.chat.prompt.Prompt;
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import org.springframework.ai.openai.OpenAiChatModel;
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import org.springframework.http.MediaType;
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import org.springframework.web.bind.annotation.*;
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import reactor.core.publisher.Flux;
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import java.util.Date;
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@ -28,7 +35,7 @@ import java.util.Date;
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@RestController
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@Slf4j
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@RequiredArgsConstructor
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public class AuthorController extends BaseController{
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public class AuthorController extends BaseController {
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private final AuthorService authorService;
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@ -36,57 +43,59 @@ public class AuthorController extends BaseController{
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private final ChatClient chatClient;
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private final OpenAiChatModel chatModel;
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/**
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* 校验笔名是否存在
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* */
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*/
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@GetMapping("checkPenName")
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public RestResult<Boolean> checkPenName(String penName){
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public RestResult<Boolean> checkPenName(String penName) {
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return RestResult.ok(authorService.checkPenName(penName));
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}
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/**
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* 作家发布小说分页列表查询
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* */
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*/
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@GetMapping("listBookByPage")
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public RestResult<PageBean<Book>> listBookByPage(@RequestParam(value = "curr", defaultValue = "1") int page, @RequestParam(value = "limit", defaultValue = "10") int pageSize , HttpServletRequest request){
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public RestResult<PageBean<Book>> listBookByPage(@RequestParam(value = "curr", defaultValue = "1") int page,
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@RequestParam(value = "limit", defaultValue = "10") int pageSize, HttpServletRequest request) {
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return RestResult.ok(bookService.listBookPageByUserId(getUserDetails(request).getId(),page,pageSize));
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return RestResult.ok(bookService.listBookPageByUserId(getUserDetails(request).getId(), page, pageSize));
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}
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/**
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* 发布小说
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* */
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*/
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@PostMapping("addBook")
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public RestResult<Void> addBook(@RequestParam("bookDesc") String bookDesc, Book book, HttpServletRequest request){
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public RestResult<Void> addBook(@RequestParam("bookDesc") String bookDesc, Book book, HttpServletRequest request) {
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Author author = checkAuthor(request);
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//bookDesc不能使用book对象来接收，否则会自动去掉前面的空格
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book.setBookDesc(bookDesc
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.replaceAll("\\n","<br>")
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.replaceAll("\\s"," "));
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.replaceAll("\\n", "<br>")
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.replaceAll("\\s", " "));
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//发布小说
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bookService.addBook(book,author.getId(),author.getPenName());
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bookService.addBook(book, author.getId(), author.getPenName());
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return RestResult.ok();
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}
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/**
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* 更新小说状态,上架或下架
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* */
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*/
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@PostMapping("updateBookStatus")
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public RestResult<Void> updateBookStatus(Long bookId,Byte status,HttpServletRequest request){
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public RestResult<Void> updateBookStatus(Long bookId, Byte status, HttpServletRequest request) {
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Author author = checkAuthor(request);
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//更新小说状态,上架或下架
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bookService.updateBookStatus(bookId,status,author.getId());
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bookService.updateBookStatus(bookId, status, author.getId());
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return RestResult.ok();
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}
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/**
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* 删除章节
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*/
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@ -116,19 +125,18 @@ public class AuthorController extends BaseController{
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}
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/**
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* 发布章节内容
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*/
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@PostMapping("addBookContent")
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public RestResult<Void> addBookContent(Long bookId, String indexName, String content,Byte isVip, HttpServletRequest request) {
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public RestResult<Void> addBookContent(Long bookId, String indexName, String content, Byte isVip,
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HttpServletRequest request) {
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Author author = checkAuthor(request);
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content = content.replaceAll("\\n", "<br>")
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.replaceAll("\\s", " ");
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//发布章节内容
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bookService.addBookContent(bookId, indexName, content,isVip, author.getId());
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bookService.addBookContent(bookId, indexName, content, isVip, author.getId());
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return RestResult.ok();
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}
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@ -153,7 +161,8 @@ public class AuthorController extends BaseController{
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* 更新章节内容
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*/
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@PostMapping("updateBookContent")
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public RestResult<Void> updateBookContent(Long indexId, String indexName, String content, HttpServletRequest request) {
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public RestResult<Void> updateBookContent(Long indexId, String indexName, String content,
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HttpServletRequest request) {
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Author author = checkAuthor(request);
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content = content.replaceAll("\\n", "<br>")
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@ -168,38 +177,44 @@ public class AuthorController extends BaseController{
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* 修改小说封面
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*/
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@PostMapping("updateBookPic")
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public RestResult<Void> updateBookPic(@RequestParam("bookId") Long bookId,@RequestParam("bookPic") String bookPic,HttpServletRequest request) {
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public RestResult<Void> updateBookPic(@RequestParam("bookId") Long bookId, @RequestParam("bookPic") String bookPic,
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HttpServletRequest request) {
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Author author = checkAuthor(request);
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bookService.updateBookPic(bookId,bookPic, author.getId());
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bookService.updateBookPic(bookId, bookPic, author.getId());
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return RestResult.ok();
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}
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/**
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* 作家日收入统计数据分页列表查询
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* */
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*/
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@GetMapping("listIncomeDailyByPage")
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public RestResult<PageBean<AuthorIncomeDetail>> listIncomeDailyByPage(@RequestParam(value = "curr", defaultValue = "1") int page,
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@RequestParam(value = "limit", defaultValue = "10") int pageSize ,
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public RestResult<PageBean<AuthorIncomeDetail>> listIncomeDailyByPage(
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@RequestParam(value = "curr", defaultValue = "1") int page,
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@RequestParam(value = "limit", defaultValue = "10") int pageSize,
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@RequestParam(value = "bookId", defaultValue = "0") Long bookId,
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@RequestParam(value = "startTime",defaultValue = "2020-05-01") Date startTime,
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@RequestParam(value = "endTime",defaultValue = "2030-01-01") Date endTime,
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HttpServletRequest request){
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@RequestParam(value = "startTime", defaultValue = "2020-05-01") Date startTime,
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@RequestParam(value = "endTime", defaultValue = "2030-01-01") Date endTime,
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HttpServletRequest request) {
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return RestResult.ok(authorService.listIncomeDailyByPage(page,pageSize,getUserDetails(request).getId(),bookId,startTime,endTime));
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return RestResult.ok(
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authorService.listIncomeDailyByPage(page, pageSize, getUserDetails(request).getId(), bookId, startTime,
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endTime));
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}
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/**
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* 作家月收入统计数据分页列表查询
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* */
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*/
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@GetMapping("listIncomeMonthByPage")
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public RestResult<PageBean<AuthorIncome>> listIncomeMonthByPage(@RequestParam(value = "curr", defaultValue = "1") int page,
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@RequestParam(value = "limit", defaultValue = "10") int pageSize ,
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public RestResult<PageBean<AuthorIncome>> listIncomeMonthByPage(
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@RequestParam(value = "curr", defaultValue = "1") int page,
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@RequestParam(value = "limit", defaultValue = "10") int pageSize,
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@RequestParam(value = "bookId", defaultValue = "0") Long bookId,
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HttpServletRequest request){
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HttpServletRequest request) {
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return RestResult.ok(authorService.listIncomeMonthByPage(page,pageSize,getUserDetails(request).getId(),bookId));
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return RestResult.ok(
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authorService.listIncomeMonthByPage(page, pageSize, getUserDetails(request).getId(), bookId));
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}
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private Author checkAuthor(HttpServletRequest request) {
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@ -218,7 +233,6 @@ public class AuthorController extends BaseController{
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throw new BusinessException(ResponseStatus.AUTHOR_STATUS_FORBIDDEN);
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}
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return author;
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@ -229,7 +243,7 @@ public class AuthorController extends BaseController{
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*/
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@PostMapping("ai/expand")
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public RestResult<String> expandText(@RequestParam("text") String text, @RequestParam("ratio") Double ratio) {
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String prompt = "请将以下文本扩写为原长度的" + ratio/100 + "倍：" + text;
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String prompt = "请将以下文本扩写为原长度的" + ratio / 100 + "倍：" + text;
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return RestResult.ok(chatClient.prompt()
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.user(prompt)
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.call()
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@ -241,7 +255,7 @@ public class AuthorController extends BaseController{
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*/
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@PostMapping("ai/condense")
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public RestResult<String> condenseText(@RequestParam("text") String text, @RequestParam("ratio") Integer ratio) {
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String prompt = "请将以下文本缩写为原长度的" + 100/ratio + "分之一：" + text;
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String prompt = "请将以下文本缩写为原长度的" + 100 / ratio + "分之一：" + text;
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return RestResult.ok(chatClient.prompt()
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.user(prompt)
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.call()
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@ -272,7 +286,52 @@ public class AuthorController extends BaseController{
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.content());
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}
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/**
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* AI扩写
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*/
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@GetMapping(value = "ai/stream/expand", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
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public Flux<String> streamExpandText(@RequestParam("text") String text, @RequestParam("ratio") Double ratio) {
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String prompt = "请将以下文本扩写为原长度的" + ratio / 100 + "倍：" + text;
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return chatClient.prompt()
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.user(prompt)
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.stream()
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.content();
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}
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/**
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* AI缩写
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*/
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@GetMapping(value = "ai/stream/condense", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
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public Flux<String> streamCondenseText(@RequestParam("text") String text, @RequestParam("ratio") Integer ratio) {
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String prompt = "请将以下文本缩写为原长度的" + 100 / ratio + "分之一：" + text;
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return chatClient.prompt()
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.user(prompt)
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.stream()
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.content();
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}
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/**
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* AI续写
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*/
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@GetMapping(value = "ai/stream/continue", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
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public Flux<String> streamContinueText(@RequestParam("text") String text, @RequestParam("length") Integer length) {
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String prompt = "请续写以下文本，续写长度约为" + length + "字：" + text;
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return chatClient.prompt()
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.user(prompt)
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.stream()
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.content();
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}
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/**
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* AI润色
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*/
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@GetMapping(value = "/ai/stream/polish", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
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public Flux<String> streamPolishText(@RequestParam("text") String text) {
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String prompt = "请润色优化以下文本，保持原意：" + text;
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return chatClient.prompt()
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.user(prompt)
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.stream()
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.content();
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}
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}
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@ -18,16 +18,7 @@ import org.springframework.web.client.RestClient;
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public class AiConfig {
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/**
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* 目的：配置自定义的 RestClientBuilder 对象
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* <p>
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* 原因：Spring AI 框架的 ChatClient 内部通过 RestClient（Spring Framework 6 和 Spring Boot 3 中引入） 发起 HTTP REST 请求与远程的大模型服务进行通信，
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* 如果项目中没有配置自定义的 RestClientBuilder 对象， 那么在 RestClient 的自动配置类 org.springframework.boot.autoconfigure.web.client.RestClientAutoConfiguration
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* 中配置的 RestClientBuilder 对象会使用 Spring 容器中提供的 HttpMessageConverters， 由于本项目中配置了 spring.jackson.generator.write-numbers-as-strings
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* = true， 所以 Spring 容器中的 HttpMessageConverters 在 RestClient 发起 HTTP REST 请求转换 Java 对象为 JSON 字符串时会自动将 Number 类型的
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* Java 对象属性转换为字符串而导致请求参数错误
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* <p>
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* 示例："temperature": 0.7 =》"temperature": "0.7"
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* {"code":20015,"message":"The parameter is invalid. Please check again.","data":null}
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* 配置自定义的 RestClientBuilder 对象
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*/
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@Bean
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public RestClient.Builder restClientBuilder() {
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@ -15,7 +15,7 @@
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padding: 20px;
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background: #fff;
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border-radius: 8px;
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box-shadow: 0 2px 12px 0 rgba(0,0,0,.1);
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box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .1);
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}
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/* 文本域样式 */
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@ -124,10 +124,10 @@
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<li id="contentLi" style="width: 500px">
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<div class="editor-container">
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<div class="ai-toolbar">
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<a class="ai-link expand" data-type="expand">AI扩写</a>
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<a class="ai-link condense" data-type="condense">AI缩写</a>
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<a class="ai-link continue" data-type="continue">AI续写</a>
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<a class="ai-link polish" data-type="polish">AI润色</a>
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<a class="ai-link expand" data-type="stream/expand">AI扩写</a>
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<a class="ai-link condense" data-type="stream/condense">AI缩写</a>
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<a class="ai-link continue" data-type="stream/continue">AI续写</a>
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<a class="ai-link polish" data-type="stream/polish">AI润色</a>
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</div>
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<textarea id="bookContent" name="bookContent"
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placeholder="请输入文本内容..."></textarea>
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@ -268,7 +268,7 @@
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}, speed);
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}
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$('.ai-toolbar .ai-link').click(function(e){
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$('.ai-toolbar .ai-link').click(function (e) {
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e.preventDefault(); // 阻止默认链接行为
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const type = $(this).data('type');
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const textarea = $('#bookContent');
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@ -284,27 +284,27 @@
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// 参数配置
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let params = {text: selectedText};
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if(type === 'expand' || type === 'condense'){
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if (type === 'stream/expand' || type === 'stream/condense') {
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layer.prompt({
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title: '请输入比例',
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value: 2,
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btn: ['确定', '取消'],
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btn2: function(){
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btn2: function () {
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layer.close(loading);
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},
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cancel: function(){
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cancel: function () {
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layer.close(loading);
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}
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}, function(value, index){
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if(isNaN(Number(value)) || isNaN(parseFloat(value))){
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}, function (value, index) {
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if (isNaN(Number(value)) || isNaN(parseFloat(value))) {
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layer.msg('请输入正确的比例');
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return;
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}
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if(type === 'expand' && value <= 1){
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if (type === 'stream/expand' && value <= 1) {
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layer.msg('请输入正确的比例');
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return;
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}
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if(type === 'condense' && (value <=0 || value >= 1)){
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if (type === 'stream/condense' && (value <= 0 || value >= 1)) {
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layer.msg('请输入正确的比例');
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return;
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}
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@ -313,19 +313,19 @@
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sendRequest(type, params, loading, textarea);
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});
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return;
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}else if(type === 'continue'){
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} else if (type === 'stream/continue') {
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layer.prompt({
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title: '请输入续写长度（字数）',
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value: 200,
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btn: ['确定', '取消'],
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btn2: function(){
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btn2: function () {
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layer.close(loading);
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},
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cancel: function(){
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cancel: function () {
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layer.close(loading);
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}
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}, function(value, index){
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if(!Number.isInteger(Number(value)) || value <= 0){
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}, function (value, index) {
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if (!Number.isInteger(Number(value)) || value <= 0) {
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layer.msg('请输入正确的长度');
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return;
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}
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||||
@ -339,26 +339,28 @@
|
||||
sendRequest(type, params, loading, textarea);
|
||||
});
|
||||
|
||||
function sendRequest(type, params, loading, textarea){
|
||||
$.ajax({
|
||||
url: '/author/ai/' + type,
|
||||
type: 'POST',
|
||||
data: params,
|
||||
success: function(res){
|
||||
function sendRequest(type, params, loading, textarea) {
|
||||
const url = `/author/ai/${type}?text=${encodeURIComponent(params.text)}&ratio=${params.ratio}&length=${params.length}`;
|
||||
const eventSource = new EventSource(url);
|
||||
|
||||
// 监听消息事件
|
||||
eventSource.onmessage = function (event) {
|
||||
layer.close(loading);
|
||||
// 将生成的内容追加到文本末尾
|
||||
if(res.code == '200'){
|
||||
const newText = "\n\n【AI生成内容】" + res.data; // 添加换行符分隔
|
||||
typeWriter(textarea, newText); // 使用打字机效果
|
||||
}else{
|
||||
layer.msg('AI内容生成失败，请稍后重试');
|
||||
}
|
||||
},
|
||||
error: function(){
|
||||
layer.msg('请求失败，请稍后重试');
|
||||
const data = event.data;
|
||||
console.log('Received data:', data);
|
||||
|
||||
textarea.val(textarea.val() + data);
|
||||
// 滚动到底部
|
||||
textarea.scrollTop(textarea[0].scrollHeight);
|
||||
};
|
||||
|
||||
// 监听错误事件
|
||||
eventSource.onerror = function (error) {
|
||||
layer.close(loading);
|
||||
}
|
||||
});
|
||||
console.error('EventSource failed:', error);
|
||||
eventSource.close(); // 关闭连接
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
</script>
|
||||
|
||||
@ -15,7 +15,7 @@
|
||||
padding: 20px;
|
||||
background: #fff;
|
||||
border-radius: 8px;
|
||||
box-shadow: 0 2px 12px 0 rgba(0,0,0,.1);
|
||||
box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .1);
|
||||
}
|
||||
|
||||
/* 文本域样式 */
|
||||
@ -124,10 +124,10 @@
|
||||
<li id="contentLi" style="width: 500px">
|
||||
<div class="editor-container">
|
||||
<div class="ai-toolbar">
|
||||
<a class="ai-link expand" data-type="expand">AI扩写</a>
|
||||
<a class="ai-link condense" data-type="condense">AI缩写</a>
|
||||
<a class="ai-link continue" data-type="continue">AI续写</a>
|
||||
<a class="ai-link polish" data-type="polish">AI润色</a>
|
||||
<a class="ai-link expand" data-type="stream/expand">AI扩写</a>
|
||||
<a class="ai-link condense" data-type="stream/condense">AI缩写</a>
|
||||
<a class="ai-link continue" data-type="stream/continue">AI续写</a>
|
||||
<a class="ai-link polish" data-type="stream/polish">AI润色</a>
|
||||
</div>
|
||||
<textarea id="bookContent" name="bookContent"
|
||||
placeholder="请输入文本内容..."></textarea>
|
||||
@ -268,7 +268,7 @@
|
||||
}, speed);
|
||||
}
|
||||
|
||||
$('.ai-toolbar .ai-link').click(function(e){
|
||||
$('.ai-toolbar .ai-link').click(function (e) {
|
||||
e.preventDefault(); // 阻止默认链接行为
|
||||
const type = $(this).data('type');
|
||||
const textarea = $('#bookContent');
|
||||
@ -284,27 +284,27 @@
|
||||
|
||||
// 参数配置
|
||||
let params = {text: selectedText};
|
||||
if(type === 'expand' || type === 'condense'){
|
||||
if (type === 'stream/expand' || type === 'stream/condense') {
|
||||
layer.prompt({
|
||||
title: '请输入比例',
|
||||
value: 2,
|
||||
btn: ['确定', '取消'],
|
||||
btn2: function(){
|
||||
btn2: function () {
|
||||
layer.close(loading);
|
||||
},
|
||||
cancel: function(){
|
||||
cancel: function () {
|
||||
layer.close(loading);
|
||||
}
|
||||
}, function(value, index){
|
||||
if(isNaN(Number(value)) || isNaN(parseFloat(value))){
|
||||
}, function (value, index) {
|
||||
if (isNaN(Number(value)) || isNaN(parseFloat(value))) {
|
||||
layer.msg('请输入正确的比例');
|
||||
return;
|
||||
}
|
||||
if(type === 'expand' && value <= 1){
|
||||
if (type === 'stream/expand' && value <= 1) {
|
||||
layer.msg('请输入正确的比例');
|
||||
return;
|
||||
}
|
||||
if(type === 'condense' && (value <=0 || value >= 1)){
|
||||
if (type === 'stream/condense' && (value <= 0 || value >= 1)) {
|
||||
layer.msg('请输入正确的比例');
|
||||
return;
|
||||
}
|
||||
@ -313,19 +313,19 @@
|
||||
sendRequest(type, params, loading, textarea);
|
||||
});
|
||||
return;
|
||||
}else if(type === 'continue'){
|
||||
} else if (type === 'stream/continue') {
|
||||
layer.prompt({
|
||||
title: '请输入续写长度（字数）',
|
||||
value: 200,
|
||||
btn: ['确定', '取消'],
|
||||
btn2: function(){
|
||||
btn2: function () {
|
||||
layer.close(loading);
|
||||
},
|
||||
cancel: function(){
|
||||
cancel: function () {
|
||||
layer.close(loading);
|
||||
}
|
||||
}, function(value, index){
|
||||
if(!Number.isInteger(Number(value)) || value <= 0){
|
||||
}, function (value, index) {
|
||||
if (!Number.isInteger(Number(value)) || value <= 0) {
|
||||
layer.msg('请输入正确的长度');
|
||||
return;
|
||||
}
|
||||
@ -339,26 +339,28 @@
|
||||
sendRequest(type, params, loading, textarea);
|
||||
});
|
||||
|
||||
function sendRequest(type, params, loading, textarea){
|
||||
$.ajax({
|
||||
url: '/author/ai/' + type,
|
||||
type: 'POST',
|
||||
data: params,
|
||||
success: function(res){
|
||||
function sendRequest(type, params, loading, textarea) {
|
||||
const url = `/author/ai/${type}?text=${encodeURIComponent(params.text)}&ratio=${params.ratio}&length=${params.length}`;
|
||||
const eventSource = new EventSource(url);
|
||||
|
||||
// 监听消息事件
|
||||
eventSource.onmessage = function (event) {
|
||||
layer.close(loading);
|
||||
// 将生成的内容追加到文本末尾
|
||||
if(res.code == '200'){
|
||||
const newText = "\n\n【AI生成内容】" + res.data; // 添加换行符分隔
|
||||
typeWriter(textarea, newText); // 使用打字机效果
|
||||
}else{
|
||||
layer.msg('AI内容生成失败，请稍后重试');
|
||||
}
|
||||
},
|
||||
error: function(){
|
||||
layer.msg('请求失败，请稍后重试');
|
||||
const data = event.data;
|
||||
console.log('Received data:', data);
|
||||
|
||||
textarea.val(textarea.val() + data);
|
||||
// 滚动到底部
|
||||
textarea.scrollTop(textarea[0].scrollHeight);
|
||||
};
|
||||
|
||||
// 监听错误事件
|
||||
eventSource.onerror = function (error) {
|
||||
layer.close(loading);
|
||||
}
|
||||
});
|
||||
console.error('EventSource failed:', error);
|
||||
eventSource.close(); // 关闭连接
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
</script>
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user