src/com/bean/controller/CheckRegisterEmpNameSvt.java

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

package com.bean.controller;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletInputStream;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.ibatis.session.SqlSession;

import com.meeting.bean.Employee;
import com.meeting.dao.CommonDao;
import com.meeting.service.EmployeeService;

@WebServlet("/CheckRegisterEmpNameSvt")
public class CheckRegisterEmpNameSvt extends HttpServlet {
	private static final long serialVersionUID = 1L;

    public CheckRegisterEmpNameSvt() {
        super();
        // TODO Auto-generated constructor stub
    }

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		//获取ajax传过来的值
		ServletInputStream sin = request.getInputStream();
		InputStreamReader in=new InputStreamReader(sin,"utf-8");

		BufferedReader br = new BufferedReader(in);
		String line = null;
		StringBuilder sb = new StringBuilder();
		while ((line = br.readLine()) != null) {
			sb.append(line);
		}
		
		EmployeeService ser = null;
		SqlSession session= null;
		try {
			session = CommonDao.getSqlSession();
			ser = session.getMapper(EmployeeService.class);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		Employee e= ser.findOneEmployeeByName(sb.toString());
		session.close();
		
		String str="";
		
		//该用户不存在
		if(e == null) {
			str = "ok";
		}else {
			str="该用户名已经存在";
		}