问题背景:我在一个for循环中需要每次循环时调用高德地图的api进行计算2点之间的距离。有300条数据,试了很多次大概在80多条或100多条时,for循环就自动停止了不继续循环了。
以下是刚开始有BUG的http工具类中的get请求方法的代码:
/**
* 带参数的get请求
*
* @param url
* @param param
* @return String
*/
public static String doGet(String url, Map<String, String> param) {
// 创建Httpclient对象
CloseableHttpClient httpclient = HttpClients.createDefault();
String resultString = "";
CloseableHttpResponse response = null;
try {
// 创建uri
URIBuilder builder = new URIBuilder(url);
if (param != null) {
for (String key : param.keySet()) {
builder.addParameter(key, param.get(key));
}
}
URI uri = builder.build();
// 创建http GET请求
HttpGet httpGet = new HttpGet(uri);
// 执行请求
response = httpclient.execute(httpGet);
// 判断返回状态是否为2