其中请求方法如下。
```function startWeChatHttpRequest(method, url, postData, callback) {
$.ajax({
contentType: "application/json; charset=utf-8",
dataType: "json",
url: url,
type: method,
data: postData,
cache: false,
async: true,
success: function(result) {
console.log('result :', result);
callback(result);
},
error: function(result) {
console.log(JSON.stringify(result));
}
});
}