iview表单部分字段验证方式

• • 单字段验证
  • 多字段验证

单字段验证

this.$refs[formName].validateField(item, (error) => {
           console.log(error)
})

多字段验证

const validateField = ['username','password']
Promise.all(validateField.map(field => {
        const  promise = new Promise(function(resolve, reject) {
          this.$refs[formName].validateField(field, (error) => {
            resolve(error)
          })
        })
        return promise 
	})).then((data) => {
		if(data.every(i => !i)){
      		console.log("验证通过")
		}else{
		   console.log(data.join())
		}
	})