关于使用聚合数据汇率接口植入自己的程序问题

关于使用聚合数据汇率接口植入自己的程序问题

public static final String DEF_CHATSET = "UTF-8";
public static final int DEF_CONN_TIMEOUT = 30000;
public static final int DEF_READ_TIMEOUT = 30000;
public static String userAgent =  "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.66 Safari/537.36";

//配置您申请的KEY
public static final String APPKEY ="**********************************";

/**
* 1.常用汇率查询
*/
public static void getRequestExchange(){
String result =null;
String url ="http://op.juhe.cn/onebox/exchange/query";//请求接口地址
Map params = new HashMap();//请求参数
params.put("key",APPKEY);//应用APPKEY(应用详细页查询)

try {
result =net(url, params, "GET");
JSONObject object = JSONObject.fromObject(result);
if(object.getInt("error_code")==0){
System.out.println(object.get("result"));
}else{
System.out.println(object.get("error_code")+":"+object.get("reason"));
}
} catch (Exception e) {
e.printStackTrace();
}
}

/**
* 2.货币列表
* @return
*/
public static List<CurrencyBean> getRequestCurrencyList(){
List<CurrencyBean> list = null;//货币列表集合
String result =null;
String url ="http://op.juhe.cn/onebox/exchange/list";//请求接口地址
String currencyList = null;//货币列表
Map params = new HashMap();//请求参数
params.put("key",APPKEY);//应用APPKEY(应用详细页查询)

try {
result =net(url, params, "GET");
JSONObject object = JSONObject.fromObject(result);
if(object.getInt("error_code")==0){
//得到json格式的列表
currencyList = object.get("result").toString();
//截取字符串，得到集合json
String currency = currencyList.substring(8, currencyList.length()-1);
//字符串转换为json数组
JSONArray jsonArray = JSONArray.fromObject(currency);
//json 转换为 Java集合
list = (List<CurrencyBean>) jsonArray.toList(jsonArray, CurrencyBean.class);
}else{
list = null;
}
} catch (Exception e) {
e.printStackTrace();
}
return list;
}

/**
* 3.实时汇率查询换算
* @param currency
* @return
*/
public static String getRequestConversion(String currency){
String result =null;
String url ="http://op.juhe.cn/onebox/exchange/currency";//请求接口地址
String multiple = null;//转换后得到的倍数
Map params = new HashMap();//请求参数
params.put("from","USD");//转换汇率前的货币代码
params.put("to",currency);//转换汇率成的货币代码
params.put("key",APPKEY);//应用APPKEY(应用详细页查询)

try {
result =net(url, params, "GET");
JSONObject object = JSONObject.fromObject(result);//得到当前返回的结果
String str = object.get("result").toString();//根据键“result”得到值
JSONArray objArray = JSONArray.fromObject(str);//转换成JSON数组对象
multiple = (String) objArray.getJSONObject(0).get("result");//得到精确值
if(object.getInt("error_code")!=0){
multiple = null;
}
} catch (Exception e) {
e.printStackTrace();
}
return multiple;
}

public static void main(String[] args) {

}

/**
*
* @param strUrl 请求地址
* @param params 请求参数
* @param method 请求方法
* @return  网络请求字符串
* @throws Exception
*/
public static String net(String strUrl, Map params,String method) throws Exception {
HttpURLConnection conn = null;
BufferedReader reader = null;
String rs = null;
try {
StringBuffer sb = new StringBuffer();
if(method==null || method.equals("GET")){
strUrl = strUrl+"?"+urlencode(params);
}
URL url = new URL(strUrl);
conn = (HttpURLConnection) url.openConnection();
if(method==null || method.equals("GET")){
conn.setRequestMethod("GET");
}else{
conn.setRequestMethod("POST");
conn.setDoOutput(true);
}
conn.setRequestProperty("User-agent", userAgent);
conn.setUseCaches(false);
conn.setConnectTimeout(DEF_CONN_TIMEOUT);
conn.setReadTimeout(DEF_READ_TIMEOUT);
conn.setInstanceFollowRedirects(false);
conn.connect();
if (params!= null && method.equals("POST")) {
try {
DataOutputStream out = new DataOutputStream(conn.g
b9fb
etOutputStream());
out.writeBytes(urlencode(params));
} catch (Exception e) {
// TODO: handle exception
}
}
InputStream is = conn.getInputStream();
reader = new BufferedReader(new InputStreamReader(is, DEF_CHATSET));
String strRead = null;
while ((strRead = reader.readLine()) != null) {
sb.append(strRead);
}
rs = sb.toString();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (reader != null) {
reader.close();
}
if (conn != null) {
conn.disconnect();
}
}
return rs;
}

/**
* 将map型转为请求参数型
* @param data
* @return
*/
public static String urlencode(Map<String,Object>data) {
StringBuilder sb = new StringBuilder();
for (Map.Entry i : data.entrySet()) {
try {
sb.append(i.getKey()).append("=").append(URLEncoder.encode(i.getValue()+"","UTF-8")).append("&");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
return sb.toString();
}