如何将cookie同步到web中

import { webview } from '@kit.ArkWeb'
@Entry
@Component
struct WebComponent {
controller: webview.WebviewController = new webview.WebviewController();
headers : Array<webview.WebHeader> = [{ headerKey : "msg",headerValue : 'hello'}];
build() {
Column() {
Button('configCookieSync')
.onClick(() => {
try {
webview.WebCookieManager.configCookieSync('https://www.example.com', 'a=b,c=d,e=f');
} catch (error) {
console.error(`ErrorCode: ${error.code},  Message: ${error.message}`);
}
})
Button('fetchCookieSync')
.onClick(() => {
try {
let value = webview.WebCookieManager.fetchCookieSync('https://www.example.com');
console.log("fetchCookieSync cookie = " + value);
} catch (error) {
console.error(`ErrorCode: ${error.code},  Message: ${error.message}`);
}
})
Column() {
Web({ src: 'www.example.com', controller: this.controller })
.width('100%')
.height('100%')
}
.layoutWeight(1)
}
}
}