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257 lines
9.1 KiB
Markdown
257 lines
9.1 KiB
Markdown
# 基本
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基本的表单校验例子。
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每个表单域要声明 `name` 属性作为校验的标识，可通过其 `isValidating`、`errors` 属性判断是否处于校验中、是否校验不通过状态，具体可参见 **用户名** 校验。
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表单提交的时候，通过 Validation 的 validate 方法判断是否所有表单域校验通过（isValid 会作为回调函数的参数传入）。
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---
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````jsx
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var Validation = antd.Validation;
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var Validator = Validation.Validator;
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var Select = antd.Select;
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var Option = Select.Option;
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var Radio = antd.Radio;
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var RadioGroup = antd.RadioGroup;
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function cx(classNames) {
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if (typeof classNames === 'object') {
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return Object.keys(classNames).filter(function(className) {
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return classNames[className];
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}).join(' ');
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} else {
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return Array.prototype.join.call(arguments, ' ');
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}
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}
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var Form = React.createClass({
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mixins: [Validation.FieldMixin],
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getInitialState() {
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return {
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status: {
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email: {},
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name: {},
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select: {},
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radio: {},
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passwd: {},
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rePasswd: {},
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textarea: {}
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},
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formData: {
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email: undefined,
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name: undefined,
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select: undefined,
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radio: undefined,
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passwd: undefined,
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rePasswd: undefined,
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textarea: undefined
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},
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isEmailOver: false, // email 是否输入完毕
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emailValidateMethod: 'onBlur' // 用于改变 email 的验证方法
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};
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},
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renderValidateStyle(item, hasFeedback=true) {
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var formData = this.state.formData;
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var status = this.state.status;
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var classes = cx({
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'has-feedback': hasFeedback,
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'has-error': status[item].errors,
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'is-validating': status[item].isValidating,
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'has-success': formData[item] && !status[item].errors && !status[item].isValidating
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});
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return classes;
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},
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handleEmailInputBlur() {
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this.setState({
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isEmailOver: true
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});
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},
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handleEmailInputFocus() {
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if (this.state.isEmailOver) {
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this.setState({
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emailValidateMethod: 'onChange'
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});
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}
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},
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handleReset(e) {
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this.refs.validation.reset();
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this.setState(this.getInitialState());
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e.preventDefault();
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},
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handleSubmit(e) {
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e.preventDefault();
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this.setState({
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isEmailOver: true
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});
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var validation = this.refs.validation;
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validation.validate((valid) => {
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if (!valid) {
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console.log('error in form');
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return;
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} else {
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console.log('submit');
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}
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console.log(this.state.formData);
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});
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},
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userExists(rule, value, callback) {
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if (!value) {
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callback();
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} else {
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setTimeout(function () {
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if (value === 'Jasonwood') {
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callback([new Error('抱歉，该用户名已被占用。')]);
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} else {
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callback();
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}
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}, 800);
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}
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},
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checkPass(rule, value, callback) {
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callback();
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},
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checkPass2(rule, value, callback) {
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if (value && value !== this.state.formData.passwd) {
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callback('两次输入密码不一致！');
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} else {
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callback();
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}
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},
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render() {
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var formData = this.state.formData;
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var status = this.state.status;
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return (
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<form onSubmit={this.handleSubmit} className="ant-form-horizontal">
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<Validation ref="validation" onValidate={this.handleValidate}>
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<div className="ant-form-item">
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<label className="col-7" for="name" required>用户名：</label>
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<div className="col-12">
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<div className={this.renderValidateStyle('name')}>
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<Validator rules={[{required: true, min: 5, message: '用户名至少为 5 个字符'}, {validator: this.userExists}]}>
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<input name="name" className="ant-input" value={formData.name} placeholder="实时校验，输入 JasonWood 看看" />
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</Validator>
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{status.name.isValidating ? <div className="ant-form-explain">正在校验中...</div> : null}
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{status.name.errors ? <div className="ant-form-explain">{status.name.errors.join(',')}</div> : null}
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</div>
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</div>
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</div>
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<div className="ant-form-item">
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<label className="col-7" for="email" required>邮箱：</label>
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<div className="col-12">
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<div className={this.renderValidateStyle('email', this.state.isEmailOver)}>
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<Validator rules={[{required: true, type:'email', message: '请输入正确的邮箱地址'}]} trigger={this.state.emailValidateMethod}>
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<input name="email" className="ant-input" value={formData.email} placeholder="onBlur 与 onChange 相结合" onBlur={this.handleEmailInputBlur} onFocus={this.handleEmailInputFocus} />
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</Validator>
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{status.email.errors ? <div className="ant-form-explain">{status.email.errors.join(',')}</div> : null}
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</div>
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</div>
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</div>
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<div className="ant-form-item">
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<label className="col-7" required>国籍：</label>
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<div className="col-12">
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<div className={this.renderValidateStyle('select', false)}>
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<Validator rules={[{required: true, message: '请选择您的国籍'}]}>
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<Select size="large" placeholder="请选择国家" style={{width:"100%"}} name="select" value={formData.select}>
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<Option value="china">中国</Option>
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<Option value="use">美国</Option>
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<Option value="japan">日本</Option>
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<Option value="korean">韩国</Option>
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<Option value="Thailand">泰国</Option>
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</Select>
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</Validator>
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{status.select.errors ? <div className="ant-form-explain">{status.select.errors.join(',')}</div> : null}
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</div>
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</div>
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</div>
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<div className="ant-form-item ant-form-item-compact">
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<label className="col-7" required>性别：</label>
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<div className="col-12">
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<div className={this.renderValidateStyle('radio', false)}>
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<Validator rules={[{required: true, message: '请选择您的性别'}]}>
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<RadioGroup name="radio" value={formData.radio}>
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<Radio value="male">男</Radio>
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<Radio value="female">女</Radio>
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</RadioGroup>
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</Validator>
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{status.radio.errors ? <div className="ant-form-explain">{status.radio.errors.join(',')}</div> : null}
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</div>
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</div>
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</div>
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<div className="ant-form-item">
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<label className="col-7" required>密码：</label>
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<div className="col-12">
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<div className={this.renderValidateStyle('passwd')}>
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<Validator rules={[{required: true, whitespace: true, message: '请填写密码'}, {validator: this.checkPass}]}>
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<input name="passwd" className="ant-input" type="password" value={formData.passwd}/>
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</Validator>
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{status.passwd.errors ? <div className="ant-form-explain">{status.passwd.errors.join(',')}</div> : null}
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</div>
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</div>
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</div>
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<div className="ant-form-item">
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<label className="col-7" required>确认密码：</label>
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<div className="col-12">
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<div className={this.renderValidateStyle('rePasswd')}>
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<Validator rules={[{
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required: true,
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whitespace: true,
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message: '请再次输入密码'
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}, {validator: this.checkPass2}]}>
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<input name="rePasswd" className="ant-input" type="password" value={formData.rePasswd} placeholder="两次输入密码保持一致"/>
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</Validator>
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{status.rePasswd.errors ? <div className="ant-form-explain"> {status.rePasswd.errors.join(', ')}</div> : null}
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</div>
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</div>
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</div>
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<div className="ant-form-item">
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<label className="col-7" required>备注：</label>
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<div className="col-12">
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<div className={this.renderValidateStyle('textarea', false)}>
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<Validator rules={[{required: true, message: '真的不打算写点什么吗？'}]}>
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<textarea className="ant-input" name="textarea" value={formData.textarea} placeholder="写点什么吧">
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</textarea>
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</Validator>
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{status.textarea.errors ? <div className="ant-form-explain">{status.textarea.errors.join(',')}</div> : null}
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</div>
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</div>
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</div>
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<div className="ant-form-item">
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<div className="col-offset-7 col-12">
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<button type="submit" className="ant-btn ant-btn-primary">确 定</button>
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<a href="#" className="ant-btn" onClick={this.handleReset}>重 置</a>
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</div>
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</div>
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</Validation>
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</form>
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);
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}
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});
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React.render(<Form />, document.getElementById('components-validation-demo-basic'));
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````
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