[英]Post request works but Put request doesn't in angular 2
我以角度 2 向 Rest API 發出 PUT 請求,但它不起作用。 當我用 POST 發出相同的請求時,它工作正常。
這是我的觀點:
save(){
this.params['user_id']=this.user_id;
this.params['video_id']=this.video_id;
this._dashboardService.update('uservalues',this.params)
.subscribe(x=> {
console.log('test');
});
}
我的觀點調用我的服務:
update(data ,param?) {
let authToken = localStorage.getItem('auth_token');
var myObject = Object.assign({'auth_token':authToken}, param);
let params={};
for (var name in myObject) {
params[name]=myObject[name];
}
let body=JSON.stringify(params);
let headers = new Headers({ 'Content-Type': 'application/json' });
return this._http
.put(this._url+'test', body, headers)
.map(res=> res.json());
}
我的控制台:
OPTIONS http://host.com/dev/api/test 406 (Not Acceptable)
XMLHttpRequest cannot load http://host.com/dev/api/test. Response for preflight
has invalid HTTP status code 406
我的標題(API):
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Methods: GET, POST, PUT");
header("Access-Control-Allow-Credentials: true");
header("Access-Control-Request-Headers: Accept, Authorization");
header("Access-Control-Expose-Headers: Authorization");
header("Access-Control-Allow-Headers:X-Requested-With, Accept, Authorization");
當我在 API 中注釋此代碼時,我的 PUT 請求有效
private function set_headers(){
// header("HTTP/1.1 ".$this->_code." ".$this->get_status_message());
header("Content-Type:".$this->_content_type);
}
有什么想法嗎?
使用記錄的 id,如“ http://host.com/dev/api/test ”+id(記錄的記錄 id),如 API 幫助中提到的 PUT api/test/{id}
update(data ,param?) {
let authToken = localStorage.getItem('auth_token');
var myObject = Object.assign({'auth_token':authToken}, param);
let params={};
for (var name in myObject) {
params[name]=myObject[name];
}
let body=JSON.stringify(params);
let headers = new Headers({ 'Content-Type': 'application/json' });
return this._http
.put(this._url+'test'+id, body, headers) //*use id here*
.map(res=> res.json());
}
如果你已經為 IIS 創建了 Web API,那么檢查你是否有 CORS 處理程序,並檢查你的 Web.config 中是否有這個:
<system.webServer>
<modules>
<remove name="WebDAVModule" />
</modules>
<handlers>
<remove name="WebDAV" />
</handlers>
</system.webServer>
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