JAVA------12.app 测试api接口

知识的领域是无限的,我们的学习也是无限期的。这篇文章主要讲述JAVA------12.app 测试api接口相关的知识，希望能为你提供帮助。

import java.awt.BorderLayout; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.net.MalformedURLException; import java.net.URL; import java.net.URLConnection; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.JTextField; import javax.swing.ScrollPaneConstants; /** * 调用url 解析 * @author caipei * */ public class UrlUtil extends JFrame{ /** * */ private static final long serialVersionUID = 1L; JTextField tf=null; JButton button=null,clear=null; JTextArea ta=null; public UrlUtil(){ tf=new JTextField(28); button=new JButton("submit"); clear=new JButton("Clear"); ta=new JTextArea(); init(); button.addActionListener(new MyActionListener()); clear.addActionListener(new ActionListener() {@Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub tf.setText(""); ta.setText("\\t\\t\\tThis TextArea has been Cleared! \\n\\n\\t\\t\\tYou can begin your next test!"); tf.grabFocus(); } }); }public static void main(String []args){ new UrlUtil(); }@SuppressWarnings("deprecation") public void init(){ this.setTitle("Json 字符串获取工具"); this.setSize(800,450); this.setVisible(true); this.setDefaultCloseOperation(EXIT_ON_CLOSE); this.setLocationRelativeTo(null); JScrollPane js=new JScrollPane(ta); js.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED); JPanel p=new JPanel(); p.setLayout(new FlowLayout()); p.add(new JLabel("URL:")); p.add(tf); p.add(button); p.add(clear); tf.setFocusable(true); button.setNextFocusableComponent(tf); this.add(p,BorderLayout.NORTH); this.add(js,BorderLayout.CENTER); }public static String getJsonString(String url){ String result=""; URLConnection conn=null; BufferedReader reader=null; try{ URL website=new URL(url.trim()); conn=(URLConnection) website.openConnection(); reader=new BufferedReader(new InputStreamReader(conn.getInputStream(),"utf-8")); String line=""; StringBuffer sb=new StringBuffer(); while((line=reader.readLine())!=null){ sb.append(line); }result=sb.toString(); }catch(MalformedURLException urlException){ result+=urlException.getMessage(); } catch (IOException e) { // TODO Auto-generated catch block result+=e.getMessage(); e.printStackTrace(); }catch(Exception total){ result+=total.getMessage(); total.printStackTrace(); }finally{ if(conn!=null){ conn=null; } if(reader!=null){ try { reader.close(); } catch (IOException e) { // TODO Auto-generated catch block result+=e.getMessage(); e.printStackTrace(); } reader=null; } } return result; }class MyActionListener implements ActionListener{@Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub String jsonString=getJsonString(tf.getText().trim().toString()); ta.setText(jsonString); }} }