antd-Vue实现Login登录页面布局-附带验证码验证功能-案例

Posted 2022-08-04 JackieDYH

效果

Login页面

<!--
 * @Author: Jackie
 * @Date: 2022-05-07 14:34:06
 * @LastEditTime: 2022-05-09 15:57:44
 * @LastEditors: Jackie
 * @Description: 登录页 用户名-密码-验证码登录方式
 * @FilePath: /vue-admin-template/src/views/Login.vue
 * @version: 
-->
<template>
  <div class="Login">
    <h1 class="title">JackieDYH管理平台</h1>
    <a-form-model ref="ruleForm" :model="form" :rules="rules">
      <h5>登录</h5>
      <a-form-model-item prop="name">
        <a-input v-model="form.name" placeholder="请输入邮箱/手机号" />
      </a-form-model-item>
      <a-form-model-item prop="password">
        <a-input type="password" v-model="form.password" placeholder="请输入密码" />
      </a-form-model-item>
      <a-form-model-item prop="code" class="identify">
        <a-input v-model="form.code" placeholder="请输入验证码" />
        <Identify :identifyCode="identifyCode" @click="refreshCode" />
      </a-form-model-item>
      <a-form-model-item>
        <a-button block type="primary" @click="onSubmit"> 提交 </a-button>
        <!-- <router-link
          :to=" name: 'Password' "
          style="float: right"
          class="pointer"
        >
          忘记密码
        </router-link> -->
      </a-form-model-item>
    </a-form-model>
  </div>
</template>

<script>
import Identify from "@/components/Identify";
export default 
  name: "Login",
  components:  Identify ,
  data() 
    let validateCode = (rule, value, callback) => 
      if (value === "") 
        callback(new Error("验证码为空"));
        return false;
       else if (value !== this.identifyCode) 
        callback(new Error("验证码不正确"));
        return false;
       else 
        callback();
      
    ;
    return 
      identifyCodes: "1234567890",
      identifyCode: "",
      form: 
        name: "",
        password: "",
        code: "",
      ,
      rules: 
        name:  required: true, message: "请输入邮箱/手机号", trigger: "blur" ,
        password:  required: true, message: "请输入密码", trigger: "blur" ,
        code: [ validator: validateCode, trigger: "blur" ],
      ,
    ;
  ,
  mounted() 
    // 初始
    this.identifyCode = "";
    this.makeCode(this.identifyCodes, 4);
  ,
  methods: 
    // 确认
    onSubmit() 
      this.$refs.ruleForm.validate((valid) => 
        if (valid) 
          this.$router.push("/home");
         else 
          console.log("error submit!!");
          return false;
        
      );
    ,
    // 重置表单
    resetForm() 
      this.$refs.ruleForm.resetFields();
    ,
    // 验证码相关
    randomNum(min, max) 
      return Math.floor(Math.random() * (max - min) + min);
    ,
    // 点击刷新验证码
    refreshCode() 
      this.identifyCode = "";
      this.makeCode(this.identifyCodes, 4);
    ,
    // 生成验证码
    makeCode(o, l) 
      for (let i = 0; i < l; i++) 
        this.identifyCode +=
          this.identifyCodes[this.randomNum(0, this.identifyCodes.length)];
      
    ,
  ,
;
</script>

<style lang="scss" scoped>
.Login 
  width: 100%;
  height: 100%;
  background-image: url("~@/assets/images/bg_repeat_white.png");
  overflow: auto;
  .title 
    font-size: 40px;
    font-weight: bold;
    padding: 60px 0 60px 40px;
  
  .ant-form 
    width: 500px;
    border-radius: 5px;
    background: #fff;
    margin: auto;
    padding: 18px 40px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    .ant-dropdown-trigger 
      float: right;
      margin-right: -20px;
    
    h5 
      font-size: 26px;
      text-align: center;
      margin-bottom: 25px;
    
  
  @media screen and (min-width: 769px) and (max-width: 1000px) 
    .title 
      font-size: 50px;
      text-align: center;
    
    .ant-form 
      width: 60%;
    
  
  @media screen and (max-width: 769px) 
    .title 
      font-size: 50px;
      text-align: center;
    
    .ant-form 
      width: 90%;
    
  

</style>
<style lang="scss">
// 验证码样式
.Login .identify .ant-form-item-children 
  display: flex;
  align-items: center;
  .ant-input 
    flex: 1;
    margin-right: 10px;
  

</style>

 Identify验证码

<!--
 * @Author: Jackie
 * @Date: 2022-05-09 14:49:38
 * @LastEditTime: 2022-05-09 14:49:39
 * @LastEditors: Jackie
 * @Description: 验证码
 * @FilePath: /vue-admin-template/src/components/Identify.vue
 * @version: 
-->
<template>
  <canvas
    id="s-canvas"
    :width="contentWidth"
    :height="contentHeight"
    v-on="$listeners"
  ></canvas>
</template>
<script>
export default 
  name: "SIdentify",
  props: 
    identifyCode: 
      type: String,
      default: "1234",
    ,
    fontSizeMin: 
      type: Number,
      default: 16,
    ,
    fontSizeMax: 
      type: Number,
      default: 40,
    ,
    backgroundColorMin: 
      type: Number,
      default: 180,
    ,
    backgroundColorMax: 
      type: Number,
      default: 240,
    ,
    colorMin: 
      type: Number,
      default: 50,
    ,
    colorMax: 
      type: Number,
      default: 160,
    ,
    lineColorMin: 
      type: Number,
      default: 40,
    ,
    lineColorMax: 
      type: Number,
      default: 180,
    ,
    dotColorMin: 
      type: Number,
      default: 0,
    ,
    dotColorMax: 
      type: Number,
      default: 255,
    ,
    contentWidth: 
      type: Number,
      default: 112,
    ,
    contentHeight: 
      type: Number,
      default: 38,
    ,
  ,
  methods: 
    // 生成一个随机数
    randomNum(min, max) 
      return Math.floor(Math.random() * (max - min) + min);
    ,
    // 生成一个随机的颜色
    randomColor(min, max) 
      let r = this.randomNum(min, max);
      let g = this.randomNum(min, max);
      let b = this.randomNum(min, max);
      return "rgb(" + r + "," + g + "," + b + ")";
    ,
    drawPic() 
      let canvas = document.getElementById("s-canvas");
      let ctx = canvas.getContext("2d");
      ctx.textBaseline = "bottom";
      // 绘制背景
      ctx.fillStyle = this.randomColor(
        this.backgroundColorMin,
        this.backgroundColorMax
      );
      ctx.fillRect(0, 0, this.contentWidth, this.contentHeight);
      // 绘制文字
      for (let i = 0; i < this.identifyCode.length; i++) 
        this.drawText(ctx, this.identifyCode[i], i);
      
      // this.drawLine(ctx)
      this.drawDot(ctx);
    ,
    drawText(ctx, txt, i) 
      ctx.fillStyle = this.randomColor(this.colorMin, this.colorMax);
      ctx.font =
        this.randomNum(this.fontSizeMin, this.fontSizeMax) + "px SimHei";
      let x = (i + 1) * (this.contentWidth / (this.identifyCode.length + 1));
      let y = this.randomNum(this.fontSizeMax, this.contentHeight - 5);
      var deg = this.randomNum(-45, 45);
      // 修改坐标原点和旋转角度
      ctx.translate(x, y);
      ctx.rotate((deg * Math.PI) / 180);
      ctx.fillText(txt, 0, 0);
      // 恢复坐标原点和旋转角度
      ctx.rotate((-deg * Math.PI) / 180);
      ctx.translate(-x, -y);
    ,
    drawLine(ctx) 
      // 绘制干扰线
      for (let i = 0; i < 8; i++) 
        ctx.strokeStyle = this.randomColor(
          this.lineColorMin,
          this.lineColorMax
        );
        ctx.beginPath();
        ctx.moveTo(
          this.randomNum(0, this.contentWidth),
          this.randomNum(0, this.contentHeight)
        );
        ctx.lineTo(
          this.randomNum(0, this.contentWidth),
          this.randomNum(0, this.contentHeight)
        );
        ctx.stroke();
      
    ,
    drawDot(ctx) 
      // 绘制干扰点
      for (let i = 0; i < 100; i++) 
        ctx.fillStyle = this.randomColor(0, 255);
        ctx.beginPath();
        ctx.arc(
          this.randomNum(0, this.contentWidth),
          this.randomNum(0, this.contentHeight),
          1,
          0,
          2 * Math.PI
        );
        ctx.fill();
      
    ,
  ,
  watch: 
    identifyCode() 
      this.drawPic();
    ,
  ,
  mounted() 
    this.drawPic();
  ,
;
</script>
<style lang="scss">
canvas 
  cursor: pointer;

</style>