Json
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@ -1,6 +1,7 @@
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package com.landaiqing.servlet;
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import com.alibaba.fastjson.JSONObject;
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import com.landaiqing.entity.UserEntity;
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import com.landaiqing.service.UserService;
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import com.landaiqing.utils.RandomValidateCode;
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@ -13,6 +14,9 @@ import jakarta.servlet.http.HttpSession;
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import org.apache.commons.lang3.StringUtils;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.HashMap;
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import java.util.Objects;
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/**
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* @author 余胜军
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@ -35,19 +39,22 @@ public class RegisterServlet extends HttpServlet {
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protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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// 转发到注册插入数据
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// 点击注册的时候 获取到用户的参数
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PrintWriter writer =resp.getWriter();
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String userName = req.getParameter("userName");
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if (StringUtils.isEmpty(userName)) {
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//转发到错误页面
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req.setAttribute("errorMsg", "用户名称不能够是为空!");
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req.getRequestDispatcher("register.jsp").forward(req, resp);
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setResultError("用户名称不能够是为空",writer);
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// req.setAttribute("errorMsg", "用户名称不能够是为空!");
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// req.getRequestDispatcher("register.jsp").forward(req, resp);
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return;
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}
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String userPwd = req.getParameter("userPwd");
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// 参数验证
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if (StringUtils.isEmpty(userPwd)) {
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//转发到错误页面
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req.setAttribute("errorMsg", "userPwd不能够是为空!");
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req.getRequestDispatcher("register.jsp").forward(req, resp);
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setResultError("userPwd不能够是为空",writer);
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// req.setAttribute("errorMsg", "userPwd不能够是为空!");
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// req.getRequestDispatcher("register.jsp").forward(req, resp);
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return;
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}
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// 图形验证码 比较 是在 注册之前
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@ -79,4 +86,18 @@ public class RegisterServlet extends HttpServlet {
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// 注册成功之后就直接重定向到登录请求
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resp.sendRedirect("login");
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}
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public void setResult(Integer code, String msg , PrintWriter writer){
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HashMap<String, Object> result = new HashMap<>();
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result.put("code", code);
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result.put("msg",msg);
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String jsonString = JSONObject.toJSONString(result);
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writer.println(jsonString);
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writer.close();
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}
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public void setResultError(String msg , PrintWriter writer){
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setResult(500,msg,writer);
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}
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public void setResultOK(String msg , PrintWriter writer){
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setResult(200,msg,writer);
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}
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}
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