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9.5 KiB
9.5 KiB
基本
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基本的表单校验例子。
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。
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）。
var Validation = antd.Validation;
var Validator = Validation.Validator;
var Select = antd.Select;
var Option = Select.Option;
var Radio = antd.Radio;
var RadioGroup = antd.Radio.Group;
function cx(classNames) {
if (typeof classNames === 'object') {
return Object.keys(classNames).filter(function(className) {
return classNames[className];
}).join(' ');
} else {
return Array.prototype.join.call(arguments, ' ');
}
}
function noop() {
return false;
}
var Form = React.createClass({
mixins: [Validation.FieldMixin],
getInitialState() {
return {
status: {
email: {},
name: {},
select: {},
radio: {},
passwd: {},
rePasswd: {},
textarea: {}
},
formData: {
email: undefined,
name: undefined,
select: undefined,
radio: undefined,
passwd: undefined,
rePasswd: undefined,
textarea: undefined
},
isEmailOver: false, // email 是否输入完毕
emailValidateMethod: 'onBlur' // 用于改变 email 的验证方法
};
},
renderValidateStyle(item, hasFeedback=true) {
var formData = this.state.formData;
var status = this.state.status;
var classes = cx({
'has-feedback': hasFeedback,
'has-error': status[item].errors,
'is-validating': status[item].isValidating,
'has-success': formData[item] && !status[item].errors && !status[item].isValidating
});
return classes;
},
handleEmailInputBlur() {
this.setState({
isEmailOver: true
});
},
handleEmailInputFocus() {
if (this.state.isEmailOver) {
this.setState({
emailValidateMethod: 'onChange'
});
}
},
handleReset(e) {
this.refs.validation.reset();
this.setState(this.getInitialState());
e.preventDefault();
},
handleSubmit(e) {
e.preventDefault();
this.setState({
isEmailOver: true
});
var validation = this.refs.validation;
validation.validate((valid) => {
if (!valid) {
console.log('error in form');
return;
} else {
console.log('submit');
}
console.log(this.state.formData);
});
},
userExists(rule, value, callback) {
if (!value) {
callback();
} else {
setTimeout(function () {
if (value === 'Jasonwood') {
callback([new Error('抱歉，该用户名已被占用。')]);
} else {
callback();
}
}, 800);
}
},
checkPass(rule, value, callback) {
if (this.state.formData.passwd) {
this.refs.validation.forceValidate(['rePasswd']);
}
callback();
},
checkPass2(rule, value, callback) {
if (value && value !== this.state.formData.passwd) {
callback('两次输入密码不一致！');
} else {
callback();
}
},
render() {
var formData = this.state.formData;
var status = this.state.status;
return (
<form onSubmit={this.handleSubmit} className="ant-form-horizontal">
<Validation ref="validation" onValidate={this.handleValidate}>
<div className="ant-form-item">
<label className="col-7" htmlFor="name" required>用户名：</label>
<div className="col-12">
<div className={this.renderValidateStyle('name')}>
<Validator rules={[{required: true, min: 5, message: '用户名至少为 5 个字符'}, {validator: this.userExists}]}>
<input name="name" id="name" className="ant-input" value={formData.name} placeholder="实时校验，输入 JasonWood 看看" />
</Validator>
{status.name.isValidating ? <div className="ant-form-explain">正在校验中...</div> : null}
{status.name.errors ? <div className="ant-form-explain">{status.name.errors.join(',')}</div> : null}
</div>
</div>
</div>
<div className="ant-form-item">
<label className="col-7" htmlFor="email" required>邮箱：</label>
<div className="col-12">
<div className={this.renderValidateStyle('email', this.state.isEmailOver)}>
<Validator rules={[{required: true, type:'email', message: '请输入正确的邮箱地址'}]} trigger={this.state.emailValidateMethod}>
<input name="email" id="email" className="ant-input" value={formData.email} placeholder="onBlur 与 onChange 相结合" onBlur={this.handleEmailInputBlur} onFocus={this.handleEmailInputFocus} />
</Validator>
{status.email.errors ? <div className="ant-form-explain">{status.email.errors.join(',')}</div> : null}
</div>
</div>
</div>
<div className="ant-form-item">
<label className="col-7" required>国籍：</label>
<div className="col-12">
<div className={this.renderValidateStyle('select', false)}>
<Validator rules={[{required: true, message: '请选择您的国籍'}]}>
<Select size="large" placeholder="请选择国家" style={{width:"100%"}} name="select" value={formData.select}>
<Option value="china">中国</Option>
<Option value="use">美国</Option>
<Option value="japan">日本</Option>
<Option value="korean">韩国</Option>
<Option value="Thailand">泰国</Option>
</Select>
</Validator>
{status.select.errors ? <div className="ant-form-explain">{status.select.errors.join(',')}</div> : null}
</div>
</div>
</div>
<div className="ant-form-item ant-form-item-compact">
<label className="col-7" required>性别：</label>
<div className="col-12">
<div className={this.renderValidateStyle('radio', false)}>
<Validator rules={[{required: true, message: '请选择您的性别'}]}>
<RadioGroup name="radio" value={formData.radio}>
<Radio value="male">男</Radio>
<Radio value="female">女</Radio>
</RadioGroup>
</Validator>
{status.radio.errors ? <div className="ant-form-explain">{status.radio.errors.join(',')}</div> : null}
</div>
</div>
</div>
<div className="ant-form-item">
<label className="col-7" htmlFor="password" required>密码：</label>
<div className="col-12">
<div className={this.renderValidateStyle('passwd')}>
<Validator rules={[{required: true, whitespace: true, message: '请填写密码'}, {validator: this.checkPass}]}>
<input name="passwd" id="password" className="ant-input" type="password" onContextMenu={noop} onPaste={noop} onCopy={noop} onCut={noop} autocomplete="off" value={formData.passwd}/>
</Validator>
{status.passwd.errors ? <div className="ant-form-explain">{status.passwd.errors.join(',')}</div> : null}
</div>
</div>
</div>
<div className="ant-form-item">
<label className="col-7" htmlFor="password2" required>确认密码：</label>
<div className="col-12">
<div className={this.renderValidateStyle('rePasswd')}>
<Validator rules={[{
required: true,
whitespace: true,
message: '请再次输入密码'
}, {validator: this.checkPass2}]}>
<input name="rePasswd" id="password2" className="ant-input" type="password" onContextMenu={noop} onPaste={noop} onCopy={noop} onCut={noop} autocomplete="off" value={formData.rePasswd} placeholder="两次输入密码保持一致"/>
</Validator>
{status.rePasswd.errors ? <div className="ant-form-explain"> {status.rePasswd.errors.join(', ')}</div> : null}
</div>
</div>
</div>
<div className="ant-form-item">
<label className="col-7" htmlFor="remark" required>备注：</label>
<div className="col-12">
<div className={this.renderValidateStyle('textarea', false)}>
<Validator rules={[{required: true, message: '真的不打算写点什么吗？'}]}>
<textarea className="ant-input" id="remark" name="textarea" value={formData.textarea} placeholder="写点什么吧">
</textarea>
</Validator>
{status.textarea.errors ? <div className="ant-form-explain">{status.textarea.errors.join(',')}</div> : null}
</div>
</div>
</div>
<div className="ant-form-item">
<div className="col-offset-7 col-12">
<button type="submit" className="ant-btn ant-btn-primary">确 定</button>
<a href="#" className="ant-btn" onClick={this.handleReset}>重 置</a>
</div>
</div>
</Validation>
</form>
);
}
});
React.render(<Form />, document.getElementById('components-validation-demo-basic'));