/**
* 为HttpGet 的 url 方便的添加多个name value 参数。
* @param url
* @param params
* @return
*/
public static String attachHttpGetParams(String url, LinkedHashMap<String,String> params){
Iterator<String> keys = params.keySet().iterator();Iterator<String> values = params.values().iterator();StringBuffer stringBuffer = new StringBuffer();stringBuffer.append("?");for (int i=0;i<params.size();i++ ) {String value=null;try {value=URLEncoder.encode(values.next(),"utf-8");}catch (Exception e){e.printStackTrace();}stringBuffer.append(keys.next()+"="+value);if (i!=params.size()-1) {stringBuffer.append("&");}HLog.v("","stringBuffer",stringBuffer.toString());}return url + stringBuffer.toString();}