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vue.js实现用户评论、登录、注册、及修改用户部分信息功能代码。效果图如下:

登入后:

vue.js实现用户评论、登录、注册、及修改信息功能

登入前:

vue.js实现用户评论、登录、注册、及修改信息功能 

登录框:

vue.js实现用户评论、登录、注册、及修改信息功能 

注册框:

vue.js实现用户评论、登录、注册、及修改信息功能

html代码部分:

<!DOCTYPE html>
<html lang="en">

<head>
 <meta charset="utf-8">
 <title>index</title>
 <link rel="stylesheet" href="css/font-awesome.min.css" />
 <link rel="stylesheet" href="css/index.css" />
 <script type="text/javascript" src="/UploadFiles/2021-04-02/vue.min.js">

css代码部分:

* {
 margin: 0;
 padding: 0;
 font-size: 14px;
 font-family: "微软雅黑";
}

body {
 -webkit-touch-callout: none;
 -webkit-user-select: none;
 -khtml-user-select: none;
 -moz-user-select: none;
 -ms-user-select: none;
 user-select: none;
}

#comment .loginbox {
 position: fixed;
 z-index: 99999;
 width: 100%;
 height: 100%;
 background: rgba(0, 0, 0, .85);
}

#comment .icon-style {
 margin-right: 5px;
 color: #999;
}

#comment .loginbox .box {
 height: 300px;
 width: 300px;
 padding: 40px 20px 20px 20px;
 margin: 100px auto;
 background: #fff;
}

#comment .loginbox .box h3 {
 font-size: 16px;
 font-family: "微软雅黑";
 text-align: center;
}

#comment .loginbox .box input {
 height: 40px;
 width: 100%;
 border: 1px solid red;
 margin: 10px 0;
 border-radius: 2px;
}

#comment .loginbox .box input[type="button"] {
 background: red;
 color: #fff;
 font-family: "微软雅黑";
}

body #comment .loginbox .box .blueBtn {
 background: #0089FF;
 border: 1px solid #0089FF;
}

#comment .userbar {
 height: 200px;
 padding: 10px;
 text-align: center;
}

#comment .userbar .userimg {
 height: 100px;
 width: 100px;
 border-radius: 50px;
}

#comment .userbar .username {
 display: block;
 padding: 10px 0;
 font-size: 18px;
 color: red;
 font-weight: bolder;
}

#comment .commentbox {
 position: relative;
 top: 40px;
 width: 600px;
 padding: 20px 20px 30px 20px;
 background: #eee;
 margin: 0 auto;
}

#comment .commentbox .loginout {
 display: block;
 text-decoration: underline;
 color: blue;
 cursor: pointer;
}

#comment .commentbox .userword {
 outline: none;
}

#comment .commemtlist {
 padding: 10px;
}

#comment .commemtlist dl {
 padding: 20px 0;
 border-bottom: 1px solid #D2D2D2;
}

#comment .commemtlist dl dt {
 float: left;
 text-align: center;
 margin-right: 15px;
}

#comment .commemtlist dl dt img {
 height: 50px;
 width: 50px;
 border-radius: 25px;
}

#comment .commemtlist dl dd {
 padding-bottom: 10px;
}

#comment .commemtlist .btbar span {
 margin-right: 15px;
 font-size: 10px;
}

#comment .commemtlist .btbar .red strong {
 color: red;
 margin: 0 3px;
 font-weight: normal;
 cursor: pointer;
}

#comment .commemtlist .username {
 display: block;
 font-size: 12px;
 text-align: center;
}

#comment .commemtlist .wordsbox textarea {
 height: 100px;
 width: 100%;
 margin-top: 20px;
 margin-bottom: 10px;
 resize: none;
}

#comment .commemtlist .wordsbox span {
 font-size: 13px;
 margin-right: 15px;
 text-decoration: underline;
 color: blue;
 cursor: pointer;
}

#comment .commemtlist .wordsbox input {
 float: right;
 width: 80px;
 height: 28px;
 text-align: center;
 color: #fff;
 background: red;
 border: none;
 border-radius: 3px;
}

javascript代码部分

//日期格式化函数
Date.prototype.format = function(fmt) {
  var o = {
   "M+": this.getMonth() + 1, //月份 
   "d+": this.getDate(), //日 
   "h+": this.getHours(), //小时 
   "m+": this.getMinutes(), //分 
   "s+": this.getSeconds(), //秒 
   "q+": Math.floor((this.getMonth() + 3) / 3), //季度 
   "S": this.getMilliseconds() //毫秒 
  };
  if (/(y+)/.test(fmt)) {
   fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
  }
  for (var k in o) {
   if (new RegExp("(" + k + ")").test(fmt)) {
    fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) "00" + o[k]).substr(("" + o[k]).length)));
   }
  }
  return fmt;
 }
 //创建vue实例
var v = new Vue({
 el: "#comment",
 data: {
  //原始用户评论信息
  comments: [{
   username: "张三",
   userimg: "user02.jpg",
   words: "这历史可以啊,不错不错。呵呵!",
   like: 87,
   nolike: 53,
   time: "2017-02-17 09:15:25"
  }, {
   username: "李四",
   userimg: "user01.jpg",
   words: "吃饭去了啊。呵呵!",
   like: 23,
   nolike: 63,
   time: "2017-3-27 10:12:34"
  }, {
   username: "王五",
   userimg: "user03.jpg",
   words: "这评论可以。呵呵!",
   like: 27,
   nolike: 33,
   time: "2017-04-02 03:26:54"
  }],
  //原始用户信息
  users: [{
   username: "zhangsan",
   password: "123456",
   userimg: "user.jpg",
   words: "世界那么大我想去看看。"
  }, {
   username: "zyc",
   password: "123456",
   userimg: "user01.jpg",
   words: "雨过天晴的美好。"
  }, {
   username: "admin",
   password: "123456",
   userimg: "user02.jpg",
   words: "下大雨了,怎么办啊。"
  }],
  //当前用户信息
  currentUser: { username: "", words: "", userimg: "" },
  //登录框显示或隐藏状态
  loginStatus: false,
  //注册框显示或隐藏状态
  registerStatus: false,
  //用户信息栏显示或隐藏状态
  userbarStatus: false,
  //登录注册入口显示或隐藏状态
  lrBtnStatus: true
 },
 methods: {
  //点击登录
  showLogin: function() {
   document.getElementById("login").reset();
   this.loginStatus = true;
   this.registerStatus = false;
  },
  //点击注册
  showregister: function() {
   document.getElementById("register").reset();
   this.loginStatus = false;
   this.registerStatus = true;
  },
  //退出登录
  loginout: function() {
   //清空当前用户数据
   this.currentUser.username = "";
   this.currentUser.words = "";
   this.currentUser.userimg = "";
   alert("退出成功!");
   this.userbarStatus = false;
   //登录或注册入口显示
   this.lrBtnStatus = true;
  },
  //登录遮罩层点击事件
  loginboxClick: function() {
   this.loginStatus = false;
  },
  //注册遮罩层点击事件
  registerboxClick: function() {
   this.registerStatus = false;
  },
  //点击登录或注册框阻止事件冒泡
  stopProp: function(e) {
   e = e || event;
   e.stopPropagation();
  },
  //点赞
  like: function(index) {
   this.comments[index].like++;
  },
  //点踩
  notlike: function(index) {
   this.comments[index].nolike++;
  },
  //登录
  login: function() {
   var username = $(".loginbox").find(".username").val(); //获取用户名
   var psw = $(".loginbox").find(".psw").val() //获取密码
   var flag = false;
   for (var i = 0, len = this.users.length; i < len; i++) {
    //判断用户名密码是否正确
    if (this.users[i].username === username && this.users[i].password === psw) {
     flag = true;
     alert("登录成功!");
     //用户登录框消失
     this.loginStatus = false;
     //用户登录信息显示
     this.userbarStatus = true;
     //设置用户栏信息
     this.currentUser.username = this.users[i].username;
     this.currentUser.words = this.users[i].words;
     this.currentUser.userimg = this.users[i].userimg;
     //登录或注册入口消失
     this.lrBtnStatus = false;
     break;
    }
   }
   if (!flag) {
    alert("输入的账号或密码不正确!");
    document.getElementById("login").reset();
   }

  },
  //注册
  register: function() {
   var obj = {}; //创建用户账号密码容器
   var flag = false;
   var username = $(".registerbox").find(".username").val(); //获取用户名
   var psw = $(".registerbox").find(".psw").val() //获取密码
    //判断用户名是否存在
   for (var i = 0, len = this.users.length; i < len; i++) {
    if (this.users[i].username === username) {
     flag = true;
     alert("该用户名已经被注册!");
     break;
    }
   }
   if (!flag) {
    if (username == "" || psw == "") {
     alert("账号和密码不能为空!");
    } else {
     var randomNum = Math.floor(Math.random() * 5) + 1;
     //随机生成头像
     var randomImg = "user0" + randomNum + ".jpg";
     obj.username = username;
     obj.password = psw;
     obj.words = "系统默认标语。"
     obj.userimg = randomImg;
     //添加用户信息到用户列表
     this.users.push(obj);
     alert("注册成功!");
     //设置用户信息栏显示
     this.userbarStatus = true;

     //设置用户栏信息
     this.currentUser.username = obj.username;
     this.currentUser.words = obj.words;
     this.currentUser.userimg = obj.userimg;
     //登录或注册入口消失
     this.lrBtnStatus = false;
     //重置表单数据
     document.getElementById("register").reset();
     //注册框消失
     this.registerStatus = false;
    }
   }
  },
  //编辑用户心情
  editUserWords: function() {

   var wordsObj = $(".commentbox").find(".userword");
   var edit = wordsObj.attr("contenteditable"); //获取元素的H5可编辑属性

   if (edit == "false") {
    //打开可编辑功能
    wordsObj.attr("contenteditable", "true");
   } else {
    for (var i = 0, len = this.users.length; i < len; i++) {

     //查找对应用户名
     if (this.users[i].username === this.currentUser.username) {
      //改变用户信息里面的words数据
      this.currentUser.words = $(".commentbox").find(".userword").text();
      this.users[i].words = this.currentUser.words;
      //关闭可编辑功能
      wordsObj.attr("contenteditable", "false");
      alert("保存成功!");
     }
    }
   }
  },
  //点击提交评论
  subCommont: function() {
   if (!this.userbarStatus) {
    alert("登录之后才可以评论!");
    this.loginStatus = true;
   } else {
    if ($(".wordsbox textarea").val() == "") {
     alert("请先填写评论内容!");
    } else {
     var obj = {}; //评论信息对象的容器
     obj.username = this.currentUser.username;
     obj.userimg = this.currentUser.userimg;
     obj.words = $(".wordsbox textarea").val();
     obj.like = 0;
     obj.nolike = 0;
     obj.time = new Date().format("yyyy-MM-dd hh:mm:ss");

     //将评论信息压入评论信息列表
     this.comments.push(obj);
     alert("评论成功!");
     $(".wordsbox textarea").val("");
    }
   }
  }
 }
});

github效果在线预览

仓库地址:https://github.com/zhongyoucong/vuejs/

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

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