GenUtils.java
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package com.huaheng.pc.tool.gen.util;
import java.util.ArrayList;
import java.util.List;
import org.apache.velocity.VelocityContext;
import com.huaheng.common.constant.Constants;
import com.huaheng.common.constant.CommonMap;
import com.huaheng.common.utils.DateUtils;
import com.huaheng.common.utils.StringUtils;
import com.huaheng.framework.config.GenConfig;
import com.huaheng.pc.tool.gen.domain.ColumnInfo;
import com.huaheng.pc.tool.gen.domain.TableInfo;
/**
* 代码生成器 工具类
*
* @author huaheng
*/
public class GenUtils
{
/** 项目空间路径 */
private static final String PROJECT_PATH = "main/java/com/huaheng/pc";
/** 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));
// 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", GenUtils.getModuleName(packageName));
velocityContext.put("columns", table.getColumns());
velocityContext.put("package", packageName + "." + table.getClassname());
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/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)
{
if (Constants.AUTO_REOMVE_PRE.equals(GenConfig.getAutoRemovePre()))
{
tableName = tableName.substring(tableName.indexOf("_") + 1);
}
if (StringUtils.isNotEmpty(GenConfig.getTablePrefix()))
{
tableName = tableName.replace(GenConfig.getTablePrefix(), "");
}
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 + "/" + moduleName + "/";
String mybatisPath = MYBATIS_PATH + "/" + moduleName + "/" + className;
String htmlPath = TEMPLATES_PATH + "/" + moduleName + "/" + classname;
if (StringUtils.isNotEmpty(classname))
{
javaPath += classname.replace(".", "/") + "/";
}
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 replaceKeyword(String keyword)
{
String keyName = keyword.replaceAll("(?:表|信息)", "");
return keyName;
}
public static void main(String[] args)
{
System.out.println(StringUtils.convertToCamelCase("userName"));
System.out.println(replaceKeyword("岗位信息表"));
System.out.println(getModuleName("com.huaheng.pc.system"));
}
}