我找到了一个
XMLHttpRequest的
reference
final req = new XMLHttpRequest(); req.open('GET','${Sections.home}/data/$name',false); req.send(); _htmlBody = req.responseText;
但这是为了async = false,是否有一个async = true的工作示例?
在
https://code.google.com/p/dart/source/browse/branches/bleeding_edge/dart/samples/belay/bcap/bcap_client.dart有一个例子
void privateInvoke(String ser,String method,String data,SuccessI ski,FailureI fki) { if (urlRegex.hasMatch(ser)) { var req = new XMLHttpRequest(); req.open(method,ser,true); req.on.readyStateChange.add(void _(evt) { if (req.readyState == 4) { if (req.status == 200) { ski(req.responseText); } else { fki(new BcapError(req.status,req.statusText)); } } }); req.send(data); return; } else { super.privateInvoke(ser,method,data,ski,fki); } }
也是https://code.google.com/p/dart/source/browse/branches/bleeding_edge/dart/client/samples/total/src/ServerChart.dart中的另一个异步示例
XMLHttpRequest request = new XMLHttpRequest(); request.on.readyStateChange.add((Event event) { if (request.readyState == XMLHttpRequest.DONE && request.status == 200) { callback("data:image/png;base64,${StringUtils.base64Encode(request.responseText)}"); } }); ... request.open("POST",url,true,null,null); request.setRequestHeader("Content-type","text/plain"); request.overrideMimeType("text/plain; charset=x-user-defined"); print("Chart request: ${data}"); request.send(data);
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