<script>
$(function () {
$("#submit").click(function () {
var username = $("#username").val();
var password = $("#password").val();
var user = {username: username, password: password};
var jsonUser = JSON.stringify(user);
$.ajax({
url: "log_in.action",
type: "post",
timeout: 3000,
data: {json: jsonUser},
dataType: "json",
success: function (data) {
alert(data.status);
if (data.status == 1) {
location.href = "log_toIndex.action";
} else {
alert(data.msg);
}
                },
error: function (XMLHttpRequest, textStatus, errorThrown) {
alert(XMLHttpRequest.status);
alert(XMLHttpRequest.readyState);
alert(textStatus);
}
            });
return false;
});
});
</script>

/*
 * Copyright (c) 2016.
 */

package cn.njty.manager.action;

import cn.njty.manager.dto.JsonMsg;
import cn.njty.manager.model.User;
import cn.njty.manager.service.LoginService;
import com.google.gson.Gson;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import org.apache.struts2.ServletActionContext;
import org.springframework.stereotype.Controller;

import javax.annotation.Resource;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Created by larobyo on 2016/7/29.
 * <p></p>
*
 * @author larobyo
 * @version 1.0
 */
@Controller
public class LogAction extends ActionSupport {
private String username;
private String password;
@Resource
private LoginService loginService;

private String json;

public void in() throws IOException, ServletException {
Gson gson = new Gson();
JsonMsg jsonMsg = new JsonMsg();
/**
         * 非空校验
         */
if (username == null || username.trim().equals("") || password == null || password.trim().equals("")) {
jsonMsg.setStatus(0);
jsonMsg.setMsg("用户名或密码为空！");
sendMsg(gson.toJson(jsonMsg));
}
User user = loginService.getUser(username, password);
if (user == null) {
jsonMsg.setStatus(0);
jsonMsg.setMsg("用户名或密码错误！");
sendMsg(gson.toJson(jsonMsg));
} else {
ActionContext.getContext().getSession().put("user", user);
jsonMsg.setStatus(1);
jsonMsg.setMsg("登录成功！");
sendMsg(gson.toJson(jsonMsg));
}
    }

public String out() {
User user = (User) ActionContext.getContext().getSession().get("user");
if (user != null) {
ActionContext.getContext().getSession().remove("user");
}
return "success";
}

public String ui() {
return "ui";
}

public String toIndex() {
return "toIndex";
}

public void sendMsg(String content) throws IOException {
HttpServletResponse response = ServletActionContext.getResponse();
response.setCharacterEncoding("UTF-8");
response.getWriter().write(content);

}

public String getUsername() {
return username;
}

public void setUsername(String username) {
this.username = username;
}

public String getPassword() {
return password;
}

public void setPassword(String password) {
this.password = password;
}

public String getJson() {
return json;
}

public void setJson(String json) {
this.json = json;
}
}