element表单验证

element 表单验证

  • Form 组件提供了表单验证的功能,只需要通过 rules 属性传入约定的验证规则,并将 Form-Item 的 prop 属性设置为需校验的字段名即可。
  • 对于有些需要自定义的校验规则可以作为变量写在 data 中
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<template>
<el-form :model="formData" :rules="rule" ref="form">
<el-form-item label="用户名" prop="userName">
<el-input
v-model="formData.userName"
placeholder="请输入用户名"
></el-input>
</el-form-item>
<el-form-item label="密码" prop="newPasswd">
<el-input
v-model="formData.newPasswd"
placeholder="请输入新密码"
></el-input>
</el-form-item>
<el-form-item label="确认密码" prop="comfirmPwd">
<el-input
v-model="formData.confirmPwd"
placeholder="请输入确认密码"
></el-input>
</el-form-item>
<el-form-item>
<el-button @click="test">提交</el-button>
</el-form-item>
</el-form>
</template>

<script>
export default {
name: "FormValidate",
data() {
let reg = /(?!^(\d+|[a-zA-Z]+|[~!@#$%^&*?]+)$)^[\w~!@#$%^&*?]{6,12}$/;
var validateConfirmPwd = (rule, value, callback) => {
if (!reg.test(value)) {
callback(new Error("密码应是6-12位数字、字母或字符!"));
} else if (this.formData.newPasswd !== value) {
callback(new Error("确认密码与新密码不一致!"));
} else {
callback();
}
};
return {
formData: {
userName: "",
newPasswd: "",
confirmPwd: "",
},
rule: {
userName: [
{ required: true, message: "请输入用户名", trigger: "blur" },
{
pattern: /^[\u4e00-\u9fa5_a-zA-Z0-9.·-]+$/,
message: "不支持特殊字符",
trigger: "blur",
},
],
newPasswd: [
{ required: true, message: "请输入新密码", trigger: "blur" },
{
pattern: reg,
message: "密码应是6-12位数字、字母或字符!",
trigger: "blur",
},
],
confirmPwd: [
{ required: true, message: "请输入确认密码", trigger: "blur" },
{ validator: validateConfirmPwd, trigger: "blur" },
],
},
};
},
methods: {
test() {
this.$refs["form"].validate((valid) => {
if (valid) {
// ...
}
});
},
},
};
</script>

一些验证/正则

设置 type

  1. number
  2. date
  3. url
  4. email

设置 pattern

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/^((13|14|15|16|17|18)[0-9]{1}\d{8})|((166|199|198)[0-9]{1}\d{7})$/ // 电话
/(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/ // 身份证