check.js

export default {
  data() {
    return {
      rules: {
        
        "ccmelc": [
          {
            type: "string",
            required: true,
            message: "必输项"
          },
        ],
        "skhacc": [{
          type: "string",
          required: false,
          message: "必输项"
        },
        {
          max: 35,
          message: "长度不能超过35"
        }
        ],


        "skhadr": [{
          type: "string",
          required: false,
          message: "必输项"
        },
        {
          max: 100,
          message: "长度不能超过100"
        }
        ],


        "bankno": [
          {
            validator: (rule, value, callback) => {
              if (this.model.ccmelc === "2") {
                if (value === "") {
                  return callback(new Error('必输项'));
                }
              }
              callback();
            },
            trigger: ['blur', 'change']
          },
          {
            max: 20,
            message: "长度不能超过20"
          }
        ],

        "skhkhhadr": [
          {
            max: 100,
            message: "长度不能超过100"
          }
        ],

      }
    }
  }
}