GenUtils.java
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package com.lhcredit.project.tool.gen.util;
import java.util.ArrayList;
import java.util.List;
import org.apache.velocity.VelocityContext;
import com.lhcredit.common.constant.Constants;
import com.lhcredit.common.constant.CommonMap;
import com.lhcredit.common.utils.DateUtils;
import com.lhcredit.common.utils.StringUtils;
import com.lhcredit.framework.config.GenConfig;
import com.lhcredit.project.tool.gen.domain.ColumnInfo;
import com.lhcredit.project.tool.gen.domain.TableInfo;
/**
* 代码生成器 工具类
*/
public class GenUtils {
/**
* 项目空间路径
*/
private static final String PROJECT_PATH = getProjectPath();
/**
* 对外接口空间路径
*/
private static final String WEB_PROJECT_PATH = getWebProjectPath();
/**
* mybatis空间路径
*/
private static final String MYBATIS_PATH = "main/resources/mybatis";
/**
* html空间路径
*/
private static final String TEMPLATES_PATH = "main/resources/templates";
/**
* 设置列信息
*/
public static List<ColumnInfo> transColums(List<ColumnInfo> columns) {
// 列信息
List<ColumnInfo> columsList = new ArrayList<>();
for (ColumnInfo column : columns) {
// 列名转换成Java属性名
String attrName = StringUtils.convertToCamelCase(column.getColumnName());
column.setAttrName(attrName);
column.setAttrname(StringUtils.uncapitalize(attrName));
column.setExtra(column.getExtra());
// 列的数据类型，转换成Java类型
String attrType = CommonMap.javaTypeMap.get(column.getDataType());
column.setAttrType(attrType);
columsList.add(column);
}
return columsList;
}
/**
* 获取模板信息
*
* @return 模板列表
*/
public static VelocityContext getVelocityContext(TableInfo table) {
// java对象数据传递到模板文件vm
VelocityContext velocityContext = new VelocityContext();
String packageName = GenConfig.getPackageName();
velocityContext.put("tableName", table.getTableName());
velocityContext.put("tableComment", replaceKeyword(table.getTableComment()));
velocityContext.put("primaryKey", table.getPrimaryKey());
velocityContext.put("className", table.getClassName());
velocityContext.put("classname", table.getClassname());
velocityContext.put("moduleName", getModuleName(packageName));
velocityContext.put("columns", table.getColumns());
velocityContext.put("package", packageName + "." + table.getClassname());
velocityContext.put("webPackage", getWebPackageName());
velocityContext.put("author", GenConfig.getAuthor());
velocityContext.put("datetime", DateUtils.getDate());
return velocityContext;
}
/**
* 获取模板信息
*
* @return 模板列表
*/
public static List<String> getTemplates() {
List<String> templates = new ArrayList<String>();
templates.add("templates/vm/java/domain.java.vm");
templates.add("templates/vm/java/Mapper.java.vm");
templates.add("templates/vm/java/Service.java.vm");
templates.add("templates/vm/java/ServiceImpl.java.vm");
templates.add("templates/vm/java/Controller.java.vm");
templates.add("templates/vm/java/WebController.java.vm");
templates.add("templates/vm/xml/Mapper.xml.vm");
templates.add("templates/vm/html/list.html.vm");
templates.add("templates/vm/html/add.html.vm");
templates.add("templates/vm/html/edit.html.vm");
templates.add("templates/vm/sql/sql.vm");
return templates;
}
/**
* 表名转换成Java类名
*/
public static String tableToJava(String tableName) {
String autoRemovePre = GenConfig.getAutoRemovePre();
String tablePrefix = GenConfig.getTablePrefix();
if (Constants.AUTO_REOMVE_PRE.equals(autoRemovePre) && StringUtils.isNotEmpty(tablePrefix)) {
tableName = tableName.replaceFirst(tablePrefix, "");
}
return StringUtils.convertToCamelCase(tableName);
}
/**
* 获取文件名
*/
public static String getFileName(String template, TableInfo table, String moduleName) {
// 小写类名
String classname = table.getClassname();
// 大写类名
String className = table.getClassName();
String javaPath = PROJECT_PATH;
String webJavaPath = WEB_PROJECT_PATH;
String mybatisPath = MYBATIS_PATH + "/" + moduleName + "/" + className;
String htmlPath = TEMPLATES_PATH + "/" + moduleName + "/" + classname;
if (StringUtils.isNotEmpty(classname)) {
javaPath += classname.replace(".", "/") + "/";
}
if (template.contains("WebController.java.vm")) {
return webJavaPath + "controller" + "/Web" + className + "Controller.java";
}
if (template.contains("domain.java.vm")) {
return javaPath + "domain" + "/" + className + ".java";
}
if (template.contains("Mapper.java.vm")) {
return javaPath + "mapper" + "/" + className + "Mapper.java";
}
if (template.contains("Service.java.vm")) {
return javaPath + "service" + "/" + "I" + className + "Service.java";
}
if (template.contains("ServiceImpl.java.vm")) {
return javaPath + "service" + "/" + className + "ServiceImpl.java";
}
if (template.contains("Controller.java.vm")) {
return javaPath + "controller" + "/" + className + "Controller.java";
}
if (template.contains("Mapper.xml.vm")) {
return mybatisPath + "Mapper.xml";
}
if (template.contains("list.html.vm")) {
return htmlPath + "/" + classname + ".html";
}
if (template.contains("add.html.vm")) {
return htmlPath + "/" + "add.html";
}
if (template.contains("edit.html.vm")) {
return htmlPath + "/" + "edit.html";
}
if (template.contains("sql.vm")) {
return classname + "Menu.sql";
}
return null;
}
/**
* 获取模块名
*
* @param packageName 包名
* @return 模块名
*/
public static String getModuleName(String packageName) {
int lastIndex = packageName.lastIndexOf(".");
int nameLength = packageName.length();
String moduleName = StringUtils.substring(packageName, lastIndex + 1, nameLength);
return moduleName;
}
public static String getProjectPath() {
String packageName = GenConfig.getPackageName();
StringBuffer projectPath = new StringBuffer();
projectPath.append("main/java/");
projectPath.append(packageName.replace(".", "/"));
projectPath.append("/");
return projectPath.toString();
}
public static String getWebProjectPath() {
String packageName = GenConfig.getPackageName();
StringBuffer projectPath = new StringBuffer();
projectPath.append("main/java/");
String path = packageName.replace(".", "/");
String path1 = path.substring(0, path.lastIndexOf("/") + 1);
String path2 = path.substring(path.lastIndexOf("/") + 1);
projectPath.append(path1 + "web" + path2);
projectPath.append("/");
return projectPath.toString();
}
public static String getWebPackageName() {
String packageName = GenConfig.getPackageName();
StringBuffer projectPath = new StringBuffer();
String path1 = packageName.substring(0, packageName.lastIndexOf(".") + 1);
String path2 = packageName.substring(packageName.lastIndexOf(".") + 1);
projectPath.append(path1 + "web" + path2);
return projectPath.toString();
}
public static String replaceKeyword(String keyword) {
String keyName = keyword.replaceAll("(?:表|信息|管理)", "");
return keyName;
}
}