[JAVA] Erhalten Sie Wettervorhersagen von Watson Weather Company Data mit einer einfachen JSP


<%@page import="java.io.InputStreamReader"%>
<%@page import="java.io.BufferedReader"%>
<%@page import="java.io.InputStream"%>
<%@page import="java.util.Base64"%>
<%@page import="java.net.URLConnection"%>
<%@page import="java.net.URL"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>

<script>
	
<%
String json = "{}";
try {

				String username = "xxx";
				String password = "xxx";
				URL url = new URL(
						"https://twcservice.mybluemix.net/api/weather/v1/geocode/35.681167/139.76705/forecast/daily/3day.json?language=ja-JP");
				URLConnection conn = url.openConnection();
				conn.setRequestProperty(
						"Authorization",
						"Basic "
								+ Base64.getEncoder().encodeToString(
										(username + ":" + password).getBytes()));
				InputStream is = conn.getInputStream();
				BufferedReader br = new BufferedReader(new InputStreamReader(
						is, "UTF-8"));
				StringBuilder sb = new StringBuilder();
				String line;
				while ((line = br.readLine()) != null) {
					sb.append(line);
				}

				System.out.println(sb.toString());
				json = sb.toString();

				br.close();
			} catch (Throwable th) {
			}
%>

var json = <%=json%>;

</script>


</head>



<body>

<script>
for(var i=0;i<json.forecasts.length;i++){
document.write(json.forecasts[i].narrative);
document.write("<br>");
}
</script>

</body>
</html>