java获取接口数据类型_java中调用第三方接口获取数据的方式
//get請(qǐng)求方式
private String getInfo(Map params,String URL) {
// 創(chuàng)建Httpclient對(duì)象
CloseableHttpClient httpclient = HttpClients.createDefault();
CloseableHttpResponse response = null;
String resultString=null;
try {
// 創(chuàng)建uri
URIBuilder builder = new URIBuilder(URL);
if (params != null) {
for (String key : params.keySet()) {
builder.addParameter(key, params.get(key).toString());
}
}
URI uri = builder.build();
// 創(chuàng)建http GET請(qǐng)求
HttpGet httpGet = new HttpGet(uri);
// 執(zhí)行請(qǐng)求
response = httpclient.execute(httpGet);
// 判斷返回狀態(tài)是否為200
if (response.getStatusLine().getStatusCode() == 200) {
resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (response != null) {
response.close();
}
httpclient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return resultString;
}
//post請(qǐng)求方式
private String getInfo(Map params, String URL) {
// 創(chuàng)建Httpclient對(duì)象
CloseableHttpClient httpclient = HttpClients.createDefault();
CloseableHttpResponse response = null;
String resultString = null;
try {
// 創(chuàng)建uri
URIBuilder builder = new URIBuilder(URL);
if (params != null) {
for (String key : params.keySet()) {
builder.addParameter(key, params.get(key).toString());
}
}
URI uri = builder.build();
// 創(chuàng)建http POST請(qǐng)求
HttpPost httpPost = new HttpPost(uri);
// 執(zhí)行請(qǐng)求
response = httpclient.execute(httpPost);
// 判斷返回狀態(tài)是否為200
if (response.getStatusLine().getStatusCode() == 200) {
resultString = EntityUtils.toString(response.getEntity(),"UTF-8");
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (response != null) {
response.close();
}
httpclient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return resultString;
}
//傳送json類型參數(shù)的post請(qǐng)求
private String getCarMapInfo(String json, String URL) {
// 創(chuàng)建Httpclient對(duì)象
CloseableHttpClient httpClient = HttpClients.createDefault();
CloseableHttpResponse response = null;
String resultString = null;
try {
// 創(chuàng)建Http Post請(qǐng)求
HttpPost httpPost = new HttpPost(URL);
// 創(chuàng)建請(qǐng)求內(nèi)容
StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);
httpPost.setEntity(entity);
// 執(zhí)行http請(qǐng)求
response = httpClient.execute(httpPost);
resultString = EntityUtils.toString(response.getEntity(), "utf-8");
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
response.close();
httpClient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return resultString;
}
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