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https://github.com/201206030/novel-plus.git
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上传后台管理系统代码
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376
novel-admin/src/main/java/com/java2nb/common/utils/GenUtils.java
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376
novel-admin/src/main/java/com/java2nb/common/utils/GenUtils.java
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package com.java2nb.common.utils;
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import com.java2nb.common.config.Constant;
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import com.java2nb.common.domain.ColumnDO;
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import com.java2nb.common.domain.GenColumnsDO;
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import com.java2nb.common.domain.TableDO;
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import org.apache.commons.configuration.Configuration;
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import org.apache.commons.configuration.ConfigurationException;
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import org.apache.commons.configuration.PropertiesConfiguration;
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import org.apache.commons.io.IOUtils;
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import org.apache.commons.lang.StringUtils;
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import org.apache.commons.lang.WordUtils;
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import org.apache.velocity.Template;
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import org.apache.velocity.VelocityContext;
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import org.apache.velocity.app.Velocity;
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import java.io.*;
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import java.util.*;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipOutputStream;
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/**
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* 代码生成器 工具类
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*/
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public class GenUtils {
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public static List<String> getTemplates() {
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List<String> templates = new ArrayList<String>();
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templates.add("templates/common/generator/domain.java.vm");
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templates.add("templates/common/generator/Dao.java.vm");
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//templates.add("templates/common/generator/Mapper.java.vm");
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templates.add("templates/common/generator/Mapper.xml.vm");
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templates.add("templates/common/generator/Service.java.vm");
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templates.add("templates/common/generator/ServiceImpl.java.vm");
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templates.add("templates/common/generator/Controller.java.vm");
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templates.add("templates/common/generator/list.html.vm");
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templates.add("templates/common/generator/add.html.vm");
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templates.add("templates/common/generator/edit.html.vm");
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templates.add("templates/common/generator/detail.html.vm");
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templates.add("templates/common/generator/list.js.vm");
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templates.add("templates/common/generator/add.js.vm");
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templates.add("templates/common/generator/edit.js.vm");
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templates.add("templates/common/generator/menu.sql.vm");
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//templates.add("templates/common/generator/menu.sql.vm");
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return templates;
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}
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/**
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* 生成代码
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*/
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public static void generatorCode(Map<String, String> table,
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List<Map<String, String>> columns, ZipOutputStream zip) {
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/*//封装模板数据
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Map<String, Object> map = new HashMap<>(16);
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//配置信息
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Configuration config = getConfig();
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//表信息
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TableDO tableDO = new TableDO();
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tableDO.setTableName(table.get("tableName"));
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tableDO.setComments(table.get("tableComment"));
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//表名转换成Java类名
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String className = tableToJava(tableDO.getTableName(), config.getString("tablePrefix"), config.getString("autoRemovePre"));
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tableDO.setClassName(className);
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tableDO.setClassname(StringUtils.uncapitalize(className));
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//列信息
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List<ColumnDO> columsList = new ArrayList<>();
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for (Map<String, String> column : columns) {
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ColumnDO columnDO = new ColumnDO();
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columnDO.setColumnName(column.get("columnName"));
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columnDO.setDataType(column.get("dataType"));
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columnDO.setComments(column.get("columnComment"));
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columnDO.setExtra(column.get("extra"));
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//列名转换成Java属性名
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String attrName = columnToJava(columnDO.getColumnName());
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columnDO.setAttrName(attrName);
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columnDO.setAttrname(StringUtils.uncapitalize(attrName));
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//列的数据类型，转换成Java类型
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String attrType = config.getString(columnDO.getDataType(), "unknowType");
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switch (attrType) {
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case "BigDecimal": {
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map.put("hasBigDecimal", true);
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break;
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}
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case "Date": {
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map.put("hasDate", true);
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break;
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}
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case "Long": {
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map.put("hasLong", true);
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break;
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}
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}
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columnDO.setAttrType(attrType);
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//是否主键
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if ("PRI".equalsIgnoreCase(column.get("columnKey")) && tableDO.getPk() == null) {
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tableDO.setPk(columnDO);
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}
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columsList.add(columnDO);
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}
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tableDO.setColumns(columsList);
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//没主键，则第一个字段为主键
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if (tableDO.getPk() == null) {
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tableDO.setPk(tableDO.getColumns().get(0));
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}
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//设置velocity资源加载器
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Properties prop = new Properties();
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prop.put("file.resource.loader.class", "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
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Velocity.init(prop);
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map.put("tableName", tableDO.getTableName());
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map.put("comments", tableDO.getComments());
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map.put("pk", tableDO.getPk());
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map.put("className", tableDO.getClassName());
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map.put("classname", tableDO.getClassname());
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map.put("pathName", config.getString("package").substring(config.getString("package").lastIndexOf(".") + 1));
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map.put("columns", tableDO.getColumns());
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map.put("package", config.getString("package"));
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map.put("author", config.getString("author"));
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map.put("email", config.getString("email"));
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map.put("datetime", DateUtils.format(new Date(), DateUtils.DATE_TIME_PATTERN));
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VelocityContext context = new VelocityContext(map);
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//获取模板列表
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List<String> templates = getTemplates();
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for (String template : templates) {
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//渲染模板
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StringWriter sw = new StringWriter();
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Template tpl = Velocity.getTemplate(template, "UTF-8");
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tpl.merge(context, sw);
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try {
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String fileName = getFileName(template, tableDO.getClassname(), tableDO.getClassName(), config.getString("package"));
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if (zip != null) {
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//添加到zip
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zip.putNextEntry(new ZipEntry(fileName));
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IOUtils.write(sw.toString(), zip, "UTF-8");
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IOUtils.closeQuietly(sw);
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zip.closeEntry();
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} else {
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String srcPath = config.getString("srcPath");
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fileName = srcPath + File.separator + fileName;
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File file = new File(fileName);
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if (file.exists()) {
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file = new File(fileName + 1);
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}
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File parentCatelog = file.getParentFile();
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if (!parentCatelog.exists()) {
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parentCatelog.mkdirs();
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}
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OutputStream fos = new FileOutputStream(file);
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IOUtils.write(sw.toString(), fos, "UTF-8");
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fos.close();
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}
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} catch (IOException e) {
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throw new RuntimeException("渲染模板失败，表名：" + tableDO.getTableName(), e);
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}
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}*/
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}
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/**
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* 列名转换成Java属性名
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*/
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public static String columnToJava(String columnName) {
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return WordUtils.capitalizeFully(columnName, new char[]{'_'}).replace("_", "");
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}
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/**
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* 表名转换成Java类名
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*/
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public static String tableToJava(String tableName, String tablePrefix, String autoRemovePre) {
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if (Constant.AUTO_REOMVE_PRE.equals(autoRemovePre)) {
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tableName = tableName.substring(tableName.indexOf("_") + 1);
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}
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if (StringUtils.isNotBlank(tablePrefix)) {
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tableName = tableName.replace(tablePrefix, "");
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}
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return columnToJava(tableName);
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}
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/**
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* 获取配置信息
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*/
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public static Configuration getConfig() {
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try {
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return new PropertiesConfiguration("generator.properties");
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} catch (ConfigurationException e) {
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throw new RuntimeException("获取配置文件失败，", e);
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}
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}
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/**
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* 获取文件名
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*/
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public static String getFileName(String template, String classname, String className, String packageName) {
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String moduleName = packageName.substring(packageName.lastIndexOf(".") + 1);
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String javaPackagePath = "main" + File.separator + "java" + File.separator;
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//String modulesname=config.getString("packageName");
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if (StringUtils.isNotBlank(packageName)) {
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javaPackagePath += packageName.replace(".", File.separator) + File.separator;
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}
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if (template.contains("domain.java.vm")) {
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return javaPackagePath + "domain" + File.separator + className + "DO.java";
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}
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if (template.contains("Dao.java.vm")) {
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return javaPackagePath + "dao" + File.separator + className + "Dao.java";
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}
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// if(template.contains("Mapper.java.vm")){
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// return packagePath + "dao" + File.separator + className + "Mapper.java";
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// }
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if (template.contains("Service.java.vm")) {
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return javaPackagePath + "service" + File.separator + className + "Service.java";
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}
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if (template.contains("ServiceImpl.java.vm")) {
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return javaPackagePath + "service" + File.separator + "impl" + File.separator + className + "ServiceImpl.java";
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}
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if (template.contains("Controller.java.vm")) {
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return javaPackagePath + "controller" + File.separator + className + "Controller.java";
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}
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if (template.contains("Mapper.xml.vm")) {
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return "main" + File.separator + "resources" + File.separator + "mybatis" + File.separator + moduleName + File.separator + className + "Mapper.xml";
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}
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if (template.contains("list.html.vm")) {
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return "main" + File.separator + "resources" + File.separator + "templates" + File.separator
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+ moduleName + File.separator + classname + File.separator + classname + ".html";
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// + "modules" + File.separator + "generator" + File.separator + className.toLowerCase() + ".html";
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}
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if (template.contains("add.html.vm")) {
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return "main" + File.separator + "resources" + File.separator + "templates" + File.separator
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+ moduleName + File.separator + classname + File.separator + "add.html";
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}
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if (template.contains("edit.html.vm")) {
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return "main" + File.separator + "resources" + File.separator + "templates" + File.separator
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+ moduleName + File.separator + classname + File.separator + "edit.html";
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}
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if (template.contains("detail.html.vm")) {
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return "main" + File.separator + "resources" + File.separator + "templates" + File.separator
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+ moduleName + File.separator + classname + File.separator + "detail.html";
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}
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if (template.contains("list.js.vm")) {
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return "main" + File.separator + "resources" + File.separator + "static" + File.separator + "js" + File.separator
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+ "appjs" + File.separator + moduleName + File.separator + classname + File.separator + classname + ".js";
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// + "modules" + File.separator + "generator" + File.separator + className.toLowerCase() + ".js";
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}
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if (template.contains("add.js.vm")) {
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return "main" + File.separator + "resources" + File.separator + "static" + File.separator + "js" + File.separator
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+ "appjs" + File.separator + moduleName + File.separator + classname + File.separator + "add.js";
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}
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if (template.contains("edit.js.vm")) {
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return "main" + File.separator + "resources" + File.separator + "static" + File.separator + "js" + File.separator
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+ "appjs" + File.separator + moduleName + File.separator + classname + File.separator + "edit.js";
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}
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if (template.contains("menu.sql.vm")) {
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return "main" + File.separator + "resources" + File.separator + "static" + File.separator + "sql"
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+ File.separator + moduleName + File.separator + classname + File.separator + "menu.js";
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}
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// if(template.contains("menu.sql.vm")){
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// return className.toLowerCase() + "_menu.sql";
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// }
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return null;
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}
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public static void generatorCode(Map<String, String> table, GenColumnsDO pkColumn, List<GenColumnsDO> list) {
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//封装模板数据
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Map<String, Object> map = new HashMap<>(16);
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//配置信息
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Configuration config = getConfig();
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//表信息
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TableDO tableDO = new TableDO();
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tableDO.setTableName(table.get("tableName"));
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tableDO.setComments(table.get("tableComment"));
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//表名转换成Java类名
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String className = tableToJava(tableDO.getTableName(), config.getString("tablePrefix"), config.getString("autoRemovePre"));
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tableDO.setClassName(className);
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tableDO.setClassname(StringUtils.uncapitalize(className));
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Collections.sort(list, Comparator.comparingInt(GenColumnsDO::getColumnSort));
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for(GenColumnsDO genColumnsDO : list){
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String attrName = columnToJava(genColumnsDO.getColumnName());
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genColumnsDO.setAttrName(attrName);
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genColumnsDO.setAttrname(StringUtils.uncapitalize(attrName));
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}
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String attrName = columnToJava(pkColumn.getColumnName());
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pkColumn.setAttrName(attrName);
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pkColumn.setAttrname(StringUtils.uncapitalize(attrName));
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tableDO.setPk(pkColumn);
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list.add(0,pkColumn);
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tableDO.setColumns(list);
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//设置velocity资源加载器
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Properties prop = new Properties();
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prop.put("file.resource.loader.class", "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
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Velocity.init(prop);
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map.put("tableName", tableDO.getTableName());
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map.put("comments", tableDO.getComments());
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map.put("pk", tableDO.getPk());
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map.put("className", tableDO.getClassName());
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map.put("classname", tableDO.getClassname());
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map.put("pathName", config.getString("package").substring(config.getString("package").lastIndexOf(".") + 1));
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map.put("columns", tableDO.getColumns());
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map.put("package", config.getString("package"));
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map.put("author", config.getString("author"));
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map.put("email", config.getString("email"));
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map.put("datetime", DateUtils.format(new Date(), DateUtils.DATE_TIME_PATTERN));
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VelocityContext context = new VelocityContext(map);
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//获取模板列表
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List<String> templates = getTemplates();
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for (String template : templates) {
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//渲染模板
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StringWriter sw = new StringWriter();
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Template tpl = Velocity.getTemplate(template, "UTF-8");
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tpl.merge(context, sw);
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try {
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String fileName = getFileName(template, tableDO.getClassname(), tableDO.getClassName(), config.getString("package"));
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String srcPath = config.getString("srcPath");
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fileName = srcPath + File.separator + fileName;
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File file = new File(fileName);
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if (file.exists()) {
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file = new File(fileName + 1);
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}
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File parentCatelog = file.getParentFile();
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if (!parentCatelog.exists()) {
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parentCatelog.mkdirs();
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}
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OutputStream fos = new FileOutputStream(file);
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IOUtils.write(sw.toString(), fos, "UTF-8");
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fos.close();
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} catch (IOException e) {
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throw new RuntimeException("渲染模板失败，表名：" + tableDO.getTableName(), e);
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}
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}
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}
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}
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