Vue学习

  watch: {

    //监控体验字段变化，动态控制课程选择校验
        watchTrial: function (val) {
          this.formData.trial = val;
          if (val) {
            this.rules.courseId = [];
            let fields = this.$refs.formData.fields;
            for (let i = 0; i < fields.length; i++) {
              if (fields[i].prop == 'courseId') {
                fields[i].resetField();
                break;
              }
            }
          } else {
            this.rules.courseId = [{required: true, message: '请选择课程', trigger: 'blur'}];
          }
        },
  },