说明:
有一个表单,有两个el-form-item标签,一个是name,一个是age,假如需要通过代码填充有校验的name输入框,但填充完校验不生效,这时需要使用validateField函数对单个表单进行校验处理,测试用例如下
<template>
<el-col>
<el-form ref="ruleForm" :model="ruleForm" label-width="100px">
<el-form-item ref="formItem" label="名称" prop="name" :rules="[{ required: true, message: '该项为必填项', trigger: ['change', 'blur'] }]">
<el-input v-model="ruleForm.name" />
</el-form-item>
<el-form-item label="年龄" prop="age">
<el-input v-model="ruleForm.age" />
</el-form-item>
</el-form>
<el-button type="primary" @click="submit">保存</el-button>
<el-button type="primary" @click="addInput">添加内容</el-button>
</el-col>
</template>
<script>
export default {
data() {
return {
ruleForm: {
name: '',
age: ''
}
}
},
methods: {
submit() {
this.$refs['ruleForm'].validate((valid) => {
if (valid) {
console.log('success submit!!')
} else {
console.log('error submit!!')
return false
}
})
},
addInput() {
this.$set(this.ruleForm, 'name', 'test')// 通过代码赋值输入框中有值,但不触发校验
this.$refs.formItem && this.$refs.formItem.form.validateField()// 单独验证此表单
}
}
}
</script>