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novel-plus/novel-admin/src/main/java/com/java2nb/common/utils/GenUtils.java
2020-05-06 07:40:43 +08:00

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