豆瓣API获取书籍详细信息Java代码

使用豆瓣API，根据书籍ISBN码，获取该本书籍的详细信息

import org.apache.commons.httpclient.HttpClient;  
import org.apache.commons.httpclient.HttpMethod;  
import org.apache.commons.httpclient.HttpStatus;  
import org.apache.commons.httpclient.URIException;  
import org.apache.commons.httpclient.methods.GetMethod;  
import org.apache.commons.httpclient.methods.PostMethod;  
import org.apache.commons.httpclient.params.HttpMethodParams;  
import org.apache.commons.httpclient.util.URIUtil;  
import org.apache.commons.logging.Log;  
import org.apache.commons.logging.LogFactory;  
import org.json.JSONException;  
import org.json.JSONobject;  
  
import java.io.BufferedReader;  
import java.io.IOException;  
import java.io.InputStreamReader;  
import java.util.HashMap;  
import java.util.Iterator;  
import java.util.Map;  

public final class HttpTookit {  
        private static Log log = LogFactory.getLog（HttpTookit.class）;
        
        //Http Get
        public static String doGet（String url String queryString String charset boolean pretty） {  
                StringBuffer response = new StringBuffer（）;  
                HttpClient client = new HttpClient（）;  
                HttpMethod method = new GetMethod（url）;  
                try {  
                        if （queryString!=null）
                                method.setQueryString（URIUtil.encodeQuery（queryString））;  
                        client.executeMethod（method）;  
                        if （method.getStatusCode（） == HttpStatus.SC_OK） {  
                                BufferedReader reader = new BufferedReader（new InputStreamReader（method.getResponseBodyAsStream（） charset））;  
                                String line;  
                                while （（line = reader.readLine（）） != null） {  
                                        if （pretty）  
                                                response.append（line）.append（System.getProperty（“line.separator“））;  
                                        else  
                                                response.append（line）;  
                                }  
                                reader.close（）;  
                        }  
                } catch （URIException e） {  
                        log.error（“HTTP Get “ + queryString + “ 失败“ e）;
                } catch （IOException e） {  
                        log.error（“HTTP Get “ + queryString + “ 失败“ e）;
                } finally {  
                        method.releaseConnection（）;  
                }  
                return response.toString（）;  
        }

        //Http Post
        public static String doPost（String url Map params String charset boolean pretty） {  
                StringBuffer response = new StringBuffer（）;  
                HttpClient client = new HttpClient（）;  
                HttpMethod method = new PostMethod（url）;
                if （params != null） {  
                        HttpMethodParams 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-12-15 10:02  GetBook\
     文件         552  2016-10-23 19:38  GetBook\.classpath
     目录           0  2017-01-08 17:01  GetBook\.idea\
     文件         686  2016-10-23 19:31  GetBook\.idea\compiler.xml
     目录           0  2016-12-15 10:02  GetBook\.idea\copyright\
     文件          76  2016-10-23 19:31  GetBook\.idea\copyright\profiles_settings.xml
     目录           0  2016-12-15 10:02  GetBook\.idea\libraries\
     文件         352  2016-10-23 19:31  GetBook\.idea\libraries\lib.xml
     文件        2368  2017-01-08 17:01  GetBook\.idea\misc.xml
     文件         254  2016-11-15 14:42  GetBook\.idea\modules.xml
     文件       32262  2017-01-08 17:01  GetBook\.idea\workspace.xml
     文件         383  2016-10-23 18:55  GetBook\.project
     目录           0  2016-12-15 10:02  GetBook\.settings\
     文件         598  2016-10-23 18:55  GetBook\.settings\org.eclipse.jdt.core.prefs
     文件         484  2016-10-23 19:31  GetBook\GetBook.iml
     目录           0  2017-01-08 17:03  GetBook\bin\
     文件        7787  2017-01-08 17:09  GetBook\bin\HttpTookit.class
     目录           0  2016-12-15 10:02  GetBook\lib\
     文件      284184  2016-10-23 19:37  GetBook\lib\commons-codec-1.10.jar
     文件      305001  2016-10-23 19:20  GetBook\lib\commons-httpclient-3.1.jar
     文件       61829  2016-10-23 19:21  GetBook\lib\commons-logging-1.2.jar
     文件       86587  2016-10-23 19:30  GetBook\lib\json.jar
     目录           0  2016-12-15 10:02  GetBook\out\
     目录           0  2016-12-15 10:02  GetBook\out\production\
     目录           0  2017-01-08 16:57  GetBook\out\production\GetBook\
     文件        7720  2017-01-08 16:57  GetBook\out\production\GetBook\HttpTookit.class
     目录           0  2017-01-08 16:57  GetBook\src\
     文件        7649  2017-01-08 17:09  GetBook\src\HttpTookit.java