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fix: form组件异步校异常验问题 #393
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jry committed Aug 1, 2024
1 parent a5d36f7 commit e4b4233
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Showing 2 changed files with 82 additions and 46 deletions.
15 changes: 13 additions & 2 deletions src/pages/componentsC/form/form.nvue
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Original file line number Diff line number Diff line change
Expand Up @@ -268,7 +268,8 @@
required: true,
message: '请填写姓名',
trigger: ['blur', 'change']
}, {
},
{
// 此为同步验证，可以直接返回true或者false，如果是异步验证，稍微不同，见下方说明
validator: (rule, value, callback) => {
// 调用uview-plus自带的js验证规则，详见：https://uview-plus.jiangruyi.com/js/test.html
Expand All @@ -277,7 +278,17 @@
message: "姓名必须为中文",
// 触发器可以同时用blur和change，二者之间用英文逗号隔开
trigger: ["change", "blur"],
}],
},
{
asyncValidator: (rule, value, callback) => {
setTimeout(() => {
callback('异步规则');
}, 3000)
},
// 触发器可以同时用blur和change，二者之间用英文逗号隔开
trigger: ["change", "blur"],
} ,
],
code: {
type: 'string',
required: true,
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113 changes: 69 additions & 44 deletions src/uni_modules/uview-plus/components/u-form/u-form.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -134,57 +134,82 @@
// 如果为字符串，转为数组
value = [].concat(value);
// 历遍children所有子form-item
this.children.map((child) => {
// 用于存放form-item的错误信息
const childErrors = [];
if (value.includes(child.prop)) {
// 获取对应的属性，通过类似'a.b.c'的形式
const propertyVal = getProperty(
this.model,
child.prop
);
// 属性链数组
const propertyChain = child.prop.split(".");
const propertyName =
propertyChain[propertyChain.length - 1];
let promises = this.children.map(child => {
return new Promise((resolve, reject) => {
// 用于存放form-item的错误信息
const childErrors = [];
if (value.includes(child.prop)) {
// 获取对应的属性，通过类似'a.b.c'的形式
const propertyVal = getProperty(
this.model,
child.prop
);
// 属性链数组
const propertyChain = child.prop.split(".");
const propertyName =
propertyChain[propertyChain.length - 1];
const rule = this.formRules[child.rule || child.prop];
// 如果不存在对应的规则，直接返回，否则校验器会报错
if (!rule) return;
// rule规则可为数组形式，也可为对象形式，此处拼接成为数组
const rules = [].concat(rule);
const rule = this.formRules[child.rule || child.prop];
// 如果不存在对应的规则，直接返回，否则校验器会报错
if (!rule) {
resolve()
return;
}
// rule规则可为数组形式，也可为对象形式，此处拼接成为数组
const rules = [].concat(rule);
// 对rules数组进行校验
for (let i = 0; i < rules.length; i++) {
const ruleItem = rules[i];
// 将u-form-item的触发器转为数组形式
const trigger = [].concat(ruleItem?.trigger);
// 如果是有传入触发事件，但是此form-item却没有配置此触发器的话，不执行校验操作
if (event && !trigger.includes(event)) continue;
// 实例化校验对象，传入构造规则
const validator = new Schema({
[propertyName]: ruleItem,
});
validator.validate({
// 对rules数组进行校验
if (!rules.length) {
resolve()
}
for (let i = 0; i < rules.length; i++) {
const ruleItem = rules[i];
// 将u-form-item的触发器转为数组形式
const trigger = [].concat(ruleItem?.trigger);
// 如果是有传入触发事件，但是此form-item却没有配置此触发器的话，不执行校验操作
if (event && !trigger.includes(event)) {
resolve()
continue;
}
// 实例化校验对象，传入构造规则
const validator = new Schema({
[propertyName]: ruleItem,
});
validator.validate({
[propertyName]: propertyVal,
},
(errors, fields) => {
if (test.array(errors)) {
errors.forEach(element => {
element.prop = child.prop;
});
errorsRes.push(...errors);
childErrors.push(...errors);
(errors, fields) => {
if (test.array(errors)) {
errors.forEach(element => {
element.prop = child.prop;
});
errorsRes.push(...errors);
childErrors.push(...errors);
}
child.message =
childErrors[0]?.message ? childErrors[0].message : null;
if (i == (rules.length - 1)) {
resolve(errorsRes)
}
}
child.message =
childErrors[0]?.message ? childErrors[0].message : null;
}
);
)
}
} else {
resolve({})
}
}
});
});
// 执行回调函数
typeof callback === "function" && callback(errorsRes);
// 使用Promise.all来等待所有Promise完成
Promise.all(promises)
.then(results => {
// 执行回调函数
typeof callback === "function" && callback(errorsRes);
})
.catch(error => {
console.error('An error occurred:', error);
});
});
},
// 校验全部数据
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