HTML页面
<template>
<div id="border_div">
<div class="show_div">
<div class="name_div">
<span>姓名：</span>
<input type="text" v-model="username" @blur="checkName" @keyup.enter="$event.target.blur" placeholder="请输入用户名称">
</div>
</div>
<div class="show_div">
<div class="password_div">
<span>密码：</span>
<input type="password" v-model="userword" @blur="checkWord" @keyup.enter="$event.target.blur" placeholder="请输入用户密码">
</div>
</div>
<div class="showYZM_div">
<div class="yzm_div">
<span>验证码：</span>
<input type="text" v-model="check_yzm" @blur="checkYZM" @keyup.enter="$event.target.blur" placeholder="请输入验证码">
</div>
<div class="yzm_picture_div">
<span >{{yzm_code}}</span>
</div>
<div class="yzm_text_div">
<a href="javascript:void(0);" @click="changeYZM">看不清，换一张试试？</a>
</div>
</div>
<div>
<div>
<button @click="login">登录</button>
<button @click="reset">取消</button>
<a to="/">忘记密码</a>
</div>
<div style="color: red">
<p v-show="showErrorMssage">{{ErrorMessage}}</p>
</div>
</div>
</div>
</template>
JS
<script>
export default {
name: "login",
data(){
return{
username:'',
userword:'',
yzm_code:'axaz',
check_yzm:'',
check_yzm_status:false,
yzm_code_length:4,
ErrorMessage:'',
showErrorMssage:false,
user:{name:'zhangzhang',password:'123456'}
}
},
computed:{
// init(){
// console.log("初始化验证码---axaz")
// }
},
methods:{
changeYZM:function(){
let yzm_code = '';//点击更换时-初始验证码
let yzm_code_length = this.yzm_code_length;//验证码长度获取
let codeChars = new Array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z');//候选字符
//通过循环获取yzm_code_length位codeChars中的字符下标，并通过下标获取指定字符，最后拼接
for (let i = 0; i < yzm_code_length; i++ ) {
let charNum = Math.floor(Math.random() * 62);//获取随机验证码下标
yzm_code += codeChars[charNum];//根据下标获取指定字符并拼接
}
console.log("修改后验证码--"+yzm_code);
return this.yzm_code = yzm_code;
},
checkName:function () {
if(this.username == ''){
this.ErrorMessage = '用户名不能为空';
this.showErrorMssage = true;
return;
}else if(this.username != this.user.name){
this.ErrorMessage = '用户名输入有误';
this.showErrorMssage = true;
return;
}else {
this.ErrorMessage = '';
this.showErrorMssage = false;
}
},
checkWord:function () {
if(this.userword == ''){
this.ErrorMessage = '用户密码不能为空';
this.showErrorMssage = true;
return;
}else if(this.userword != this.user.password){
this.ErrorMessage = '用户密码输入有误';
this.showErrorMssage = true;
return;
}else {
this.ErrorMessage = '';
this.showErrorMssage = false;
}
},
checkYZM:function () {
if(this.check_yzm == ''){
this.ErrorMessage = '验证码不能为空';
this.showErrorMssage = true;
return;
}else if(this.check_yzm.toUpperCase() != this.yzm_code.toUpperCase()){
console.log("待校验验证码---"+this.check_yzm.toUpperCase())
console.log("正确验证码---"+this.yzm_code.toUpperCase())
this.ErrorMessage = '验证码输入有误';
this.showErrorMssage = true;
return;
}else {
this.ErrorMessage = '';
this.showErrorMssage = false;
this.check_yzm_status = true;
}
},
login:function () {
if(this.username == this.user.name && this.userword == this.user.password){
if(this.check_yzm_status){
console.log("用户登录---"+this.username+"---"+this.userword);
this.ErrorMessage = '登录成功，欢迎您';
this.showErrorMssage = true;
this.$router.push('/Home')
}else {
this.ErrorMessage = '请再次校验验证码';
this.showErrorMssage = true;
return;
}
}
},
reset:function () {
this.username = '';
this.userword = '';
this.yzm_code = '';
this.check_yzm = '';
this.check_yzm_status = false;
this.ErrorMessage = '请重新输入用户信息';
this.showErrorMssage = true;
this.check_yzm_status = false;
}
}
}
</script>
