本文实例讲述了java调用中国天气网api获得天气预报信息的方法。分享给大家供大家参考。具体实现方法如下：
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//以冰城哈尔滨为例通过中国天气api调用天气信息
private String getWeatherInfo2(){
StringBuilder info = new StringBuilder();
try {
DefaultHttpClient httpclient = new DefaultHttpClient();
HttpGet httget = new HttpGet("http://m.weather.com.cn/data/101050101.html");
ResponseHandler<String> responseHandler = new BasicResponseHandler();
String responseBody = httpclient.execute(httget, responseHandler);
System.out.println(responseBody);
JsonParser jp = new JsonParser();
JsonElement jse = jp.parse(responseBody);
JsonObject jso = jse.getAsJsonObject().get("weatherinfo").getAsJsonObject();
// String updTime = jso.get("fchh").getAsString();
// if(updTime != null){
// //温度
// String j = jso.get("temp1").getAsString();//今天
// String m = jso.get("temp2").getAsString();//明天
// //天气情况
// String j_weather = jso.get("weather1").getAsString();//今天
// String m_weather = jso.get("weather2").getAsString();//明天
// //风向风力
// String j_wind = jso.get("wind1").getAsString();//今天
// String m_wind = jso.get("wind2").getAsString();//明天
// info.append("今天：").append(j).append(" ").append(j_weather).append(" ").append(j_wind).append("\n");
// info.append("明天：").append(m).append(" ").append(m_weather).append(" ").append(m_wind).append("\n");
// }
String updTime = jso.get("fchh").getAsString();
if(updTime != null){
if(!updTime.trim().equals("18")){
//温度
String j = jso.get("temp1").getAsString();//今天
String m = jso.get("temp2").getAsString();//明天
//天气情况
String j_weather = jso.get("weather1").getAsString();//今天
String m_weather = jso.get("weather2").getAsString();//明天
//风向风力
String j_wind = jso.get("wind1").getAsString();//今天
String m_wind = jso.get("wind2").getAsString();//明天
info.append("今天：").append(j).append(" ").append(j_weather).append(" ").append(j_wind).append("\n");
info.append("明天：").append(m).append(" ").append(m_weather).append(" ").append(m_wind).append("\n");
}else{
//18
//温度
String temp1 = jso.get("temp1").getAsString();//今天
String temp2 = jso.get("temp2").getAsString();//今天
String temp3 = jso.get("temp3").getAsString();//今天
String j = temp1.split("~")[1] + "~" + temp2.split("~")[0];
String m = temp2.split("~")[1] + "~" + temp3.split("~")[0];//明天
//天气情况
String weather1 = jso.get("weather1").getAsString();
String weather2 = jso.get("weather2").getAsString();
String weather3 = jso.get("weather3").getAsString();
String j_weather = "";
String j_weather_part1 = "";
String j_weather_part2 = "";
//判断是否有转
if(weather1.indexOf("转") > 0){
//有
j_weather_part1 = weather1.split("转")[1];
}else{
j_weather_part1 = weather1;
}
if(weather2.indexOf("转") > 0){
//有
j_weather_part2 = weather2.split("转")[0];
}else{
j_weather_part2 = weather2;
}
if(j_weather_part1.equalsIgnoreCase(j_weather_part2)){
j_weather = j_weather_part1;//今天
}else{
j_weather = j_weather_part1 + "转" + j_weather_part2;//今天
}
String m_weather = "";
String m_weather_part1 = "";
String m_weather_part2 = "";
//判断是否有转
if(weather2.indexOf("转") > 0){
//有
m_weather_part1 = weather2.split("转")[1];
}else{
m_weather_part1 = weather2;
}
if(weather3.indexOf("转") > 0){
//有
m_weather_part2 = weather3.split("转")[0];
}else{
m_weather_part2 = weather3;
}
if(m_weather_part1.equalsIgnoreCase(m_weather_part2)){
m_weather = m_weather_part1;//今天
}else{
m_weather = m_weather_part1 + "转" + m_weather_part2;//明天
}
//风向风力
String j_wind = jso.get("wind2").getAsString();//今天
String m_wind = jso.get("wind3").getAsString();//明天
info.append("今天：").append(j).append(" ").append(j_weather).append(" ").append(j_wind).append("\n");
info.append("明天：").append(m).append(" ").append(m_weather).append(" ").append(m_wind).append("\n");
}
}
} catch (Exception e) {
}
return info.toString();
}
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希望本文所述对大家的java程序设计有所帮助。