我正在使用 postgrelsql 进行客户端服务器 application(through 浏览器)。我创建了服务器,它在一个端口上运行。如何从服务器获取数据到客户端。客户端:
req=new HttpRequest();
req.open('get', 'http://127.0.0.1:8082/');
var rr=req.send();
print(rr);
服务器端:
HttpServer server = await HttpServer.bind('127.0.0.1', 8082);
await for (HttpRequest request in server) {
request.response.headers.add("Access-Control-Allow-Origin", "*");
request.response.headers.add("Access-Control-Allow-Methods", "POST,GET,DELETE,PUT,OPTIONS");
request.response.write(await consoledatabaseconnection.someList());
handleRequest(request);
request.response.close();
}
void handleRequest(HttpRequest request) {
try {
if (request.method == 'GET') {
print('request get');
request.response.write('data form server');
} else {
print('request others');
}
} catch (e) {
print('Exception in handleRequest: $e');
}
print('Request handled.');
}
在服务器端如何返回数据。
1 回答
服务器端代码
客户端代码 req = new HttpRequest();