使用 Quasar (Vue) 进行服务器端输入验证
Server-side input validation with Quasar (Vue)
我正在寻找一个可重用的解决方案,用于使用 Quasar Framework 进行服务器端输入验证。
我使用 q-input
字段。有 2 个属性可用于错误输出 error
和 error-message
。我的服务器对验证错误的响应是 400 响应 json
{
errors: { username: ['Username is to long.', 'User not valid'] },
title: 'One or more validation errors occurred.',
status: 400,
traceId: '80000005-0000-ff00-b63f-84710c7967bb'
}
我目前正在使用此逻辑,但我无法将其移至混入,因为我需要访问错误字段。完整示例可在此处获得 codesandbox.io
<q-input
v-model="username"
filled
label="Username *"
:error-message="getErrorForField('username')"
:error="isErrorForField('username')"
/>
getErrorForField(field) {
if (!this.errors) {
return ''
}
const keys = Object.keys(this.errors)
const key = keys.find(
element => element.toLowerCase() === field.toLowerCase()
)
if (this.errors[key]) {
return this.errors[key].join('\r\n')
}
},
isErrorForField(field) {
if (!this.errors) {
return false
}
const keys = Object.keys(this.errors)
const key = keys.find(
element => element.toLowerCase() === field.toLowerCase()
)
if (this.errors[key]) {
return true
}
}
我找到了新的 vue3 组合的解决方案-api。我现在有一个可重用的逻辑。
MyComponent.vue
<template>
<q-input
v-model="username"
filled
label="Username *"
:error-message="getErrorForField('username')"
:error="isErrorForField('username')"
/>
</template>
<script>
import { validationHelper } from 'src/helper/validationHelper'
export default {
name: 'MyComponent',
setup () {
const { showValidationError, setValidationErrors, getValidationErrors, hasValidationErrors } = validationHelper()
return {
showValidationError,
setValidationErrors,
getValidationErrors,
hasValidationErrors
}
},
methods: {
async add () {
try {
//axios request
} catch (error) {
this.setValidationErrors(error.response.data.errors)
this.showValidationError()
}
}
}
}
</script>
validationHelper.js
import { ref } from '@vue/composition-api'
export function validationHelper () {
const errors = ref([])
function getValidationErrorMessages (field) {
if (!errors.value) {
return []
}
const keys = Object.keys(errors.value)
const key = keys.find(element => element.toLowerCase() === field.toLowerCase())
if (errors.value[key]) {
return errors.value[key]
}
return []
}
function getValidationErrors (field) {
const errors = getValidationErrorMessages(field)
if (errors.length !== 0) {
return errors.join('\r\n')
}
return ''
}
function hasValidationErrors (field) {
if (getValidationErrorMessages(field).length !== 0) {
return true
}
return false
}
function setValidationErrors (payload) {
errors.value = payload
}
function showValidationError () {
this.$q.notify({
type: 'negative',
message: 'Validation failure',
caption: 'please check the inputs'
})
}
return {
showValidationError,
setValidationErrors,
getValidationErrors,
hasValidationErrors
}
}
我正在寻找一个可重用的解决方案,用于使用 Quasar Framework 进行服务器端输入验证。
我使用 q-input
字段。有 2 个属性可用于错误输出 error
和 error-message
。我的服务器对验证错误的响应是 400 响应 json
{
errors: { username: ['Username is to long.', 'User not valid'] },
title: 'One or more validation errors occurred.',
status: 400,
traceId: '80000005-0000-ff00-b63f-84710c7967bb'
}
我目前正在使用此逻辑,但我无法将其移至混入,因为我需要访问错误字段。完整示例可在此处获得 codesandbox.io
<q-input
v-model="username"
filled
label="Username *"
:error-message="getErrorForField('username')"
:error="isErrorForField('username')"
/>
getErrorForField(field) {
if (!this.errors) {
return ''
}
const keys = Object.keys(this.errors)
const key = keys.find(
element => element.toLowerCase() === field.toLowerCase()
)
if (this.errors[key]) {
return this.errors[key].join('\r\n')
}
},
isErrorForField(field) {
if (!this.errors) {
return false
}
const keys = Object.keys(this.errors)
const key = keys.find(
element => element.toLowerCase() === field.toLowerCase()
)
if (this.errors[key]) {
return true
}
}
我找到了新的 vue3 组合的解决方案-api。我现在有一个可重用的逻辑。
MyComponent.vue
<template>
<q-input
v-model="username"
filled
label="Username *"
:error-message="getErrorForField('username')"
:error="isErrorForField('username')"
/>
</template>
<script>
import { validationHelper } from 'src/helper/validationHelper'
export default {
name: 'MyComponent',
setup () {
const { showValidationError, setValidationErrors, getValidationErrors, hasValidationErrors } = validationHelper()
return {
showValidationError,
setValidationErrors,
getValidationErrors,
hasValidationErrors
}
},
methods: {
async add () {
try {
//axios request
} catch (error) {
this.setValidationErrors(error.response.data.errors)
this.showValidationError()
}
}
}
}
</script>
validationHelper.js
import { ref } from '@vue/composition-api'
export function validationHelper () {
const errors = ref([])
function getValidationErrorMessages (field) {
if (!errors.value) {
return []
}
const keys = Object.keys(errors.value)
const key = keys.find(element => element.toLowerCase() === field.toLowerCase())
if (errors.value[key]) {
return errors.value[key]
}
return []
}
function getValidationErrors (field) {
const errors = getValidationErrorMessages(field)
if (errors.length !== 0) {
return errors.join('\r\n')
}
return ''
}
function hasValidationErrors (field) {
if (getValidationErrorMessages(field).length !== 0) {
return true
}
return false
}
function setValidationErrors (payload) {
errors.value = payload
}
function showValidationError () {
this.$q.notify({
type: 'negative',
message: 'Validation failure',
caption: 'please check the inputs'
})
}
return {
showValidationError,
setValidationErrors,
getValidationErrors,
hasValidationErrors
}
}