project2.ssm实现的注册功能.3.Controller

1.用到的注解的含义

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@RequestMapping("")用于匹配Http请求中的请求路径url
可以通过value=“url”,produces = "application/json;charset=UTF-8"来改变返回值编码类型，但是之前在annotation中已经统一配置过了，不需要再写。

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@ResponseBody表示返回值跳过视图解析器，写入response的body区域

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@RequestBody表示请求体的参数要和其注解的参数匹配

2.我对controller中解析参数和其它过程的看法

鲁二蛋ssm开发原则：controller中故每个函数尽可能短，更加一目了然，尽可能调用辅助类

package com.project2.controller;

import java.io.IOException;
import java.io.InputStream;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import com.project2.Beans.userBean;
import com.project2.aop.jdbcProcess;
//import com.project2.aop.jDao;
import com.project2.dao.dao;

@Controller
public class loadDao {
	
	@RequestMapping("/loaduser")
	@ResponseBody
	public String loadUserFun(@RequestBody userBean user) {
		//System.out.println(user);
		//jDao arm=new jDao();
		ApplicationContext ioc=new ClassPathXmlApplicationContext("aop.xml");
		userBean user1=new userBean();
		user1.setName(user.getName());
		user1.setPassword(user.getPassword());
		user1.setSex(user1.getSex());
		jdbcProcess jdbcTools=ioc.getBean(jdbcProcess.class);
		int userCount=jdbcTools.checkUser(user1);
		if(userCount>0) {
			return "locatedUser"; 
		}
		boolean insertUserFlag=jdbcTools.insertUser(user);
		
		if(insertUserFlag==false) {
			return "faileToInsert";
		}
		return "success";
	}
}