Vue-ele实现自定义表单验证

ele自定义表单验证实现+基础校验:

  <div class="bj">
    <div class="box">
      <h1>注册</h1>
      <el-form
        :model="ruleForm"
        status-icon
        :rules="rules"
        ref="ruleForm"
        label-width="100px"
        class="demo-ruleForm"
      >
        <el-form-item label="昵称" prop="user" class="label">
          <el-input v-model="ruleForm.user"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email" class="label">
          <el-input v-model="ruleForm.email"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="pass" class="label">
          <el-input
            type="password"
            v-model="ruleForm.pass"
            autocomplete="off"
          ></el-input>
        </el-form-item>
        <el-form-item label="确认密码" prop="checkPass">
          <el-input
            type="password"
            v-model="ruleForm.checkPass"
            autocomplete="off"
          ></el-input>
        </el-form-item>
        <el-form-item class="btn">
          <el-button type="primary" @click="submitForm('ruleForm')"
            >提交</el-button
          >
          <el-button @click="resetForm('ruleForm')">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>


<script>
export default {
  data() {
    var checkUser = (rule, value, callback) => {
      if (!value) {
        return callback(new Error("用户名不能为空"));
      } else if (!/^[\w\u4e00-\u9fa5 ]{5,10}$/.test(value)) {
        return callback(new Error("用户名为5-10位中英文数字或者下划线"));
      } else {
        callback();
      }
    };
    var checkEmail = (rule, value, callback) => {
      if (!value) {
        return callback(new Error("邮箱不能为空"));
      } else if (!/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/.test(value)) {
        return callback(new Error("邮箱格式错误"));
      } else {
        callback();
      }
    };
    var validatePass = (rule, value, callback) => {
      if (value === "") {
        callback(new Error("请输入密码"));
      } else {
        callback();
      }
    };
    var validatePass2 = (rule, value, callback) => {
      if (value === "") {
        callback(new Error("请再次输入密码"));
      } else if (value !== this.ruleForm.pass) {
        callback(new Error("两次输入密码不一致!"));
      } else {
        callback();
      }
    };
    return {
      ruleForm: {
        pass: "",
        user: "",
        checkPass: "",
        email: "",
      },
      rules: {
        pass: [{ validator: validatePass, trigger: "blur" }],
        user: [{ validator: checkUser, trigger: "blur" }],
        checkPass: [{ validator: validatePass2, trigger: "blur" }],
        email: [{ validator: checkEmail, trigger: "blur" }],
      },
    };
  },
  methods: {
    //登录
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
         alert('success')
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
    //重置
    resetForm(formName) {
      this.$refs[formName].resetFields();
    },
    register() {
      this.$router.push("/RegisterV");
    },
  },
};
</script>

<style  lang="scss">
* {
  margin: 0;
  padding: 0;
}
.bj {
  width: 100vw;
  height: 100vh;
  background: url(@/assets/bj.webp);
  .box {
    color: #fff;
    width: 35%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    .el-form-item__label {
      color: #fff;
    }
    .btn {
      text-align: center;
    }
    h1 {
      text-align: center;
      margin-bottom: 20px;
    }
  }
}
</style>