Javascript 组件中呈现的ReactJS ajax响应错误
我想在“FormError”组件中的ajax调用之后呈现json响应错误 我的错误组件如下所示:Javascript 组件中呈现的ReactJS ajax响应错误,javascript,jquery,json,ajax,reactjs,Javascript,Jquery,Json,Ajax,Reactjs,我想在“FormError”组件中的ajax调用之后呈现json响应错误 我的错误组件如下所示: var FormError = React.createClass({ render: function () { return ( <span className="form-error"></span> ); } }); var EmailForm = React.createClass({ con
var FormError = React.createClass({
render: function () {
return (
<span className="form-error"></span>
);
}
});
var EmailForm = React.createClass({
constructor(props) {
this.onError = this.onError.bind(this);
}
getInitialState: function(){
return {
password:'',
email: ''
};
},
componentDidMount: function() {
this.serverRequest = $.get('/accounts/email-form/', function (result) {
var userInfo = result;
this.setState({
email: userInfo.email
});
}.bind(this));
},
submit: function (e){
var self;
e.preventDefault()
self = this;
console.log(this.state);
var data = {
password: this.state.password,
email: this.state.email,
CSRF: csrftoken
};
// Submit form via jQuery/AJAX
function csrfSafeMethod(method) {
// these HTTP methods do not require CSRF protection
return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
}
$.ajaxSetup({
beforeSend: function(xhr, settings) {
if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
xhr.setRequestHeader("X-CSRFToken", csrftoken);
}
}
});
$.ajax({
type: 'POST',
url: '/accounts/email-form/',
data: data
})
.done(function(data) {
toastr.success('Profile updated');
})
.fail(function(jqXhr) {
self.onError(jqXhr.response);
toastr.error('There is some errors in your request');
});
},
onError: function(response) {
this.setState({
passwordError: response.password,
emailError: response.email
})
}
passwordChange: function(e){
this.setState({password: e.target.value});
},
emailChange: function(e){
this.setState({email: e.target.value});
},
render: function() {
const {emailError, passwordError} = this.state;
return (
<form onSubmit={this.submit}>
<div className="form-half">
<label htmlFor="password" className="input-label">Current Password</label>
<BasicInputPassword valChange={this.passwordChange} val={this.state.password}/>
{emailError && <FormError error={emailError}/>}
</div>
<div className="form-half">
<label htmlFor="lastname" className="input-label">New email</label>
<BasicInput valChange={this.emailChange} val={this.state.email}/>
{passwordError && <FormError error={passwordError}/>}
</div>
<button type="submit" className="button secondary" >Submit</button>
</form>
);
}
});
但我不知道如何将这些错误附加到我的代码和react组件中。为什么不设置一个错误状态 可以这样说:
var FormError = React.createClass({
render: function () {
return (
<span className="form-error"></span>
);
}
});
var EmailForm = React.createClass({
constructor(props) {
this.onError = this.onError.bind(this);
}
getInitialState: function(){
return {
password:'',
email: ''
};
},
componentDidMount: function() {
this.serverRequest = $.get('/accounts/email-form/', function (result) {
var userInfo = result;
this.setState({
email: userInfo.email
});
}.bind(this));
},
submit: function (e){
var self;
e.preventDefault()
self = this;
console.log(this.state);
var data = {
password: this.state.password,
email: this.state.email,
CSRF: csrftoken
};
// Submit form via jQuery/AJAX
function csrfSafeMethod(method) {
// these HTTP methods do not require CSRF protection
return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
}
$.ajaxSetup({
beforeSend: function(xhr, settings) {
if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
xhr.setRequestHeader("X-CSRFToken", csrftoken);
}
}
});
$.ajax({
type: 'POST',
url: '/accounts/email-form/',
data: data
})
.done(function(data) {
toastr.success('Profile updated');
})
.fail(function(jqXhr) {
self.onError(jqXhr.response);
toastr.error('There is some errors in your request');
});
},
onError: function(response) {
this.setState({
passwordError: response.password,
emailError: response.email
})
}
passwordChange: function(e){
this.setState({password: e.target.value});
},
emailChange: function(e){
this.setState({email: e.target.value});
},
render: function() {
const {emailError, passwordError} = this.state;
return (
<form onSubmit={this.submit}>
<div className="form-half">
<label htmlFor="password" className="input-label">Current Password</label>
<BasicInputPassword valChange={this.passwordChange} val={this.state.password}/>
{emailError && <FormError error={emailError}/>}
</div>
<div className="form-half">
<label htmlFor="lastname" className="input-label">New email</label>
<BasicInput valChange={this.emailChange} val={this.state.email}/>
{passwordError && <FormError error={passwordError}/>}
</div>
<button type="submit" className="button secondary" >Submit</button>
</form>
);
}
});
var EmailForm=React.createClass({
建造师(道具){
this.onError=this.onError.bind(this);
}
getInitialState:函数(){
返回{
密码:“”,
电子邮件:“”
};
},
componentDidMount:function(){
this.serverRequest=$.get('/accounts/email form/',函数(结果){
var userInfo=结果;
这是我的国家({
电子邮件:userInfo.email
});
}.约束(这个);
},
提交:职能(e){
var-self;
e、 预防默认值()
self=这个;
console.log(this.state);
风险值数据={
密码:this.state.password,
电子邮件:this.state.email,
CSRF:csrftoken
};
//通过jQuery/AJAX提交表单
函数csrfSafeMethod(方法){
//这些HTTP方法不需要CSRF保护
返回(/^(获取|头|选项|跟踪)$/.test(方法));
}
$.ajaxSetup({
发送前:功能(xhr、设置){
如果(!csrfSafeMethod(settings.type)&&!this.crossDomain){
setRequestHeader(“X-CSRFToken”,CSRFToken);
}
}
});
$.ajax({
键入:“POST”,
url:“/accounts/email form/”,
数据:数据
})
.完成(功能(数据){
toastr.success(“更新档案”);
})
.失败(功能(jqXhr){
自报错误(jqXhr.response);
toastr.error('您的请求中有一些错误');
});
},
onError:功能(响应){
这是我的国家({
passwordError:response.password,
emailError:response.email
})
}
密码更改:函数(e){
this.setState({密码:e.target.value});
},
emailChange:功能(e){
this.setState({email:e.target.value});
},
render:function(){
const{emailError,passwordError}=this.state;
返回(
当前密码
{emailError&}
新电子邮件
{passwordError&&}
提交
);
}
});
这有点简化了。有一个单独的错误状态变量,每次json响应包含错误时,更新该变量。然后,例如,您可以使用此条件向用户显示详细信息(如果没有错误,则将错误作为空数组):
嗯,我不这么认为,我很了解你。我创建了状态错误,但是如何将状态变量更新为ajax调用错误?检查来自服务器的响应,如果它包含错误,则调用
setState
来更新组件的状态。你已经在用电子邮件做同样的事情了
{this.state.errors.length != 0 && ... // traverse them and show details