MySQL实训成果及心得体会 mysql实训心得300字

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mob64ca14031c97 2024-06-30 13:13:38

文章标签 MySQL实训成果及心得体会 servlet ckedtor base64 mysql 文章分类 MySQL 数据库

目录结构

MySQL实训成果及心得体会 mysql实训心得300字_MySQL实训成果及心得体会

index.jsp

<%@page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

<%

	String path = request.getContextPath();

	pageContext.setAttribute("path",path);

%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

<script type="text/javascript" src="ckeditor/ckeditor.js"></script>
<script src="http://code.jquery.com/jquery-2.1.4.min.js"></script>

<title>CKEditor</title>

<style type="text/css">

* {

	font-family: "宋体";

	font-size: 14px

}

</style>

 

</head>

<body>
 <script type="text/javascript">
            function addNum(){
            var data = CKEDITOR.instances.content.getData();
             window.location.href="${path}/picDao?pic="+data;
            }
          </script>

<form id="form1" name="form1" method="post" action="">
<table width="650" height="400" border="0" align="center">

 

	<tr>

		<td>主题:</td>

		<td><input name="title" type="text" id="title" size="80" 

			maxlength="80" /> </td>

	</tr>

	<tr>

		<td valign="top">内容:</td>

		<td><textarea cols="80" id="content" name="content">

      </textarea> 

	      <script type="text/javascript">

	    	CKEDITOR.replace('content',{filebrowserUploadUrl : '${path}/ckeditor/uploader?Type=File',

			filebrowserImageUploadUrl : '${path}/ckeditor/uploader?Type=Image',

			filebrowserFlashUploadUrl : '${path}/ckeditor/uploader?Type=Flash'

	    	});

		</script></td>

	</tr>

	<tr>

		<td></td>

		<td><input type="submit" onclick=addNum() name="Submit" value="提交" /> <input

			type="reset" name="Reset" value="重置" /></td>

	</tr>

</table>

</form>

</body>

</html>

display.jsp （修改action路径测试）

<%@page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>Display Content</title>

</head>

<%request.setCharacterEncoding("UTF-8"); %>

<center>

<table width="600" border="0" bordercolor="000000"

	style="table-layout: fixed;">

	<tr>

		<td width="100" bordercolor="ffffff">主题:</td>

		<td width="500" bordercolor="ffffff">${param.title}</td>

	</tr>

	<tr>

		<td valign="top" bordercolor="ffffff">内容:</td>

		<td valign="top" bordercolor="ffffff">${param.content}</td>

	</tr>

</table>

</center>

</html>

config.js（取出图片区乱码）还需要打开image.js的图片上床功能

config.image_previewText=' '; //预览区域显示内容

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>CKEditorPicUp</display-name>
  <servlet>
    <servlet-name>SimpleUploader</servlet-name>
    <servlet-class>ckeditor.CKEditorUploadServlet</servlet-class>
    <init-param>
      <param-name>baseDir</param-name>
      <param-value>/UserFiles/</param-value>
    </init-param>
    <init-param>
      <param-name>debug</param-name>
      <param-value>true</param-value>
    </init-param>
    <init-param>
      <param-name>enabled</param-name>
      <param-value>true</param-value>
    </init-param>
    <init-param>
      <param-name>AllowedExtensionsFile</param-name>
      <param-value></param-value>
    </init-param>
    <init-param>
      <param-name>DeniedExtensionsFile</param-name>
      <param-value>  
                html|htm|php|php2|php3|php4|php5|phtml|pwml|inc|asp|aspx|ascx|jsp|cfm|cfc|pl|bat|exe|com|dll|vbs|js|reg|cgi|htaccess|asis|ftl  
            </param-value>
    </init-param>
    <init-param>
      <param-name>AllowedExtensionsImage</param-name>
      <param-value>jpg|gif|jpeg|png|bmp</param-value>
    </init-param>
    <init-param>
      <param-name>DeniedExtensionsImage</param-name>
      <param-value></param-value>
    </init-param>
    <init-param>
      <param-name>AllowedExtensionsFlash</param-name>
      <param-value>swf|fla</param-value>
    </init-param>
    <init-param>
      <param-name>DeniedExtensionsFlash</param-name>
      <param-value></param-value>
    </init-param>
    <load-on-startup>0</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>SimpleUploader</servlet-name>
    <url-pattern>/ckeditor/uploader</url-pattern>
  </servlet-mapping>
  <servlet>
    <description></description>
    <display-name>ATextDao</display-name>
    <servlet-name>ATextDao</servlet-name>
    <servlet-class>Dao.ATextDao</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>ATextDao</servlet-name>
    <url-pattern>/ATextDao</url-pattern>
  </servlet-mapping>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
  </welcome-file-list>
  <servlet>
    <description></description>
    <display-name>picDao</display-name>
    <servlet-name>picDao</servlet-name>
    <servlet-class>Dao.picDao</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>picDao</servlet-name>
    <url-pattern>/picDao</url-pattern>
  </servlet-mapping>
  <servlet>
    <description></description>
    <display-name>picDao1</display-name>
    <servlet-name>picDao1</servlet-name>
    <servlet-class>Dao.picDao1</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>picDao1</servlet-name>
    <url-pattern>/picDao1</url-pattern>
  </servlet-mapping>
  <servlet>
    <description></description>
    <display-name>picDao2</display-name>
    <servlet-name>picDao2</servlet-name>
    <servlet-class>Dao.picDao2</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>picDao2</servlet-name>
    <url-pattern>/picDao2</url-pattern>
  </servlet-mapping>
</web-app>

CKEditorUploadServlet （网上搜的亲测可用）

package ckeditor;  
import java.io.*;  
import java.text.SimpleDateFormat;  
import java.util.*;  
import javax.servlet.ServletException;  
import javax.servlet.http.*;  
import org.apache.commons.fileupload.FileItem;  
import org.apache.commons.fileupload.FileItemFactory;  
import org.apache.commons.fileupload.disk.DiskFileItemFactory;  
import org.apache.commons.fileupload.servlet.ServletFileUpload;  
public class CKEditorUploadServlet extends HttpServlet {  
    private static String baseDir;// CKEditor的根目录  
    private static boolean debug = false;// 是否debug模式  
    private static boolean enabled = false;// 是否开启CKEditor上传  
    private static Hashtable allowedExtensions;// 允许的上传文件扩展名  
    private static Hashtable deniedExtensions;// 阻止的上传文件扩展名  
    private static SimpleDateFormat dirFormatter;// 目录命名格式:yyyyMM  
    private static SimpleDateFormat fileFormatter;// 文件命名格式:yyyyMMddHHmmssSSS  
    /** 
     * Servlet初始化方法 
     */  
    public void init() throws ServletException {  
        // 从web.xml中读取debug模式  
        debug = (new Boolean(getInitParameter("debug"))).booleanValue();  
        if (debug)  
            System.out.println("\r\n---- SimpleUploaderServlet initialization started ----");  
        // 格式化目录和文件命名方式  
        dirFormatter = new SimpleDateFormat("yyyyMM");  
        fileFormatter = new SimpleDateFormat("yyyyMMddHHmmssSSS");  
        // 从web.xml中获取根目录名称  
        baseDir = getInitParameter("baseDir");  
        // 从web.xml中获取是否可以进行文件上传  
        enabled = (new Boolean(getInitParameter("enabled"))).booleanValue();  
        if (baseDir == null)  
            baseDir = "/UserFiles/";  
        String realBaseDir = getServletContext().getRealPath(baseDir);  
        File baseFile = new File(realBaseDir);  
        if (!baseFile.exists()) {  
            baseFile.mkdirs();  
        }  
        // 实例化允许的扩展名和阻止的扩展名  
        allowedExtensions = new Hashtable(3);  
        deniedExtensions = new Hashtable(3);  
        // 从web.xml中读取配置信息  
        allowedExtensions.put("File",  
        stringToArrayList(getInitParameter("AllowedExtensionsFile")));  
        deniedExtensions.put("File",  
        stringToArrayList(getInitParameter("DeniedExtensionsFile")));  
        allowedExtensions.put("Image",  
    stringToArrayList(getInitParameter("AllowedExtensionsImage")));  
        deniedExtensions.put("Image",           stringToArrayList(getInitParameter("DeniedExtensionsImage")));  
        allowedExtensions.put("Flash",          stringToArrayList(getInitParameter("AllowedExtensionsFlash")));  
        deniedExtensions.put("Flash",           stringToArrayList(getInitParameter("DeniedExtensionsFlash")));  
        if (debug)  
            System.out.println("---- SimpleUploaderServlet initialization completed ----\r\n");  
    }  
    public void doGet(HttpServletRequest request, HttpServletResponse response)  
            throws ServletException, IOException {  
        doPost(request, response);  
    }  
    public void doPost(HttpServletRequest request, HttpServletResponse response)  
            throws ServletException, IOException {  
        if (debug)  
            System.out.println("--- BEGIN DOPOST ---");  
        response.setContentType("text/html; charset=UTF-8");  
        response.setHeader("Cache-Control", "no-cache");  
        PrintWriter out = response.getWriter();  
        // 从请求参数中获取上传文件的类型：File/Image/Flash  
        String typeStr = request.getParameter("Type");  
        if (typeStr == null) {  
            typeStr = "File";  
        }  
        if (debug)  
            System.out.println(typeStr);  
        // 实例化dNow对象，获取当前时间  
        Date dNow = new Date();  
        // 设定上传文件路径  
        String currentPath = baseDir + typeStr + "/"  
                + dirFormatter.format(dNow);  
        // 获得web应用的上传路径  
        String currentDirPath = getServletContext().getRealPath(currentPath);  
        // 判断文件夹是否存在，不存在则创建  
        File dirTest = new File(currentDirPath);  
        if (!dirTest.exists()) {  
            dirTest.mkdirs();  
        }  
        // 将路径前加上web应用名  
        currentPath = request.getContextPath() + currentPath;  
        if (debug)  
            System.out.println(currentDirPath);  
        // 文件名和文件真实路径  
        String newName = "";  
        String fileUrl = "";  
        if (enabled) {  
            // 使用Apache Common组件中的fileupload进行文件上传  
            FileItemFactory factory = new DiskFileItemFactory();  
            ServletFileUpload upload = new ServletFileUpload(factory);  
            try {  
                List items = upload.parseRequest(request);  
                Map fields = new HashMap();  
                Iterator iter = items.iterator();  
                while (iter.hasNext()) {  
                    FileItem item = (FileItem) iter.next();  
                    if (item.isFormField())  
                        fields.put(item.getFieldName(), item.getString());  
                    else  
                        fields.put(item.getFieldName(), item);  
                }  
                // CEKditor中file域的name值是upload  
                FileItem uplFile = (FileItem) fields.get("upload");  
                // 获取文件名并做处理  
                String fileNameLong = uplFile.getName();  
                fileNameLong = fileNameLong.replace('\\', '/');  
                String[] pathParts = fileNameLong.split("/");  
                String fileName = pathParts[pathParts.length - 1];  
                // 获取文件扩展名  
                String ext = getExtension(fileName);  
                // 设置上传文件名  
                fileName = fileFormatter.format(dNow) + "." + ext;  
                // 获取文件名(无扩展名)  
                String nameWithoutExt = getNameWithoutExtension(fileName);  
                File pathToSave = new File(currentDirPath, fileName);  
                fileUrl = currentPath + "/" + fileName;  
                if (extIsAllowed(typeStr, ext)) {  
                    int counter = 1;  
                    while (pathToSave.exists()) {  
                        newName = nameWithoutExt + "_" + counter + "." + ext;  
                        fileUrl = currentPath + "/" + newName;  
                        pathToSave = new File(currentDirPath, newName);  
                        counter++;  
                    }  
                    uplFile.write(pathToSave);  
                } else {  
                    if (debug)  
                        System.out.println("无效的文件类型： " + ext);  
                }  
            } catch (Exception ex) {  
                if (debug)  
                    ex.printStackTrace();  
            }  
        } else {  
            if (debug)  
                System.out.println("未开启CKEditor上传功能");  
        }  
        // CKEditorFuncNum是回调时显示的位置，这个参数必须有  
        String callback = request.getParameter("CKEditorFuncNum");  
        out.println("<script type=\"text/javascript\">");  
        out.println("window.parent.CKEDITOR.tools.callFunction(" + callback  
                + ",'" + fileUrl + "',''" + ")");  
        out.println("</script>");  
        out.flush();  
        out.close();  
        System.out.println(callback);
        //将图片路径存入到数据库中
        //response.sendRedirect(request.getContextPath()+"/ATextDao?a="+fileUrl);
        if (debug)  
            System.out.println("--- END DOPOST ---");  
    }  
    /** 
     * 获取文件名的方法 
     */  
    private static String getNameWithoutExtension(String fileName) {  
        return fileName.substring(0, fileName.lastIndexOf("."));  
    }  
    /** 
     * 获取扩展名的方法 
     */  
    private String getExtension(String fileName) {  
        return fileName.substring(fileName.lastIndexOf(".") + 1);  
    }  
    /** 
     * 字符串像ArrayList转化的方法 
     */  
    private ArrayList stringToArrayList(String str) {  
        if (debug)  
            System.out.println(str);  
        String[] strArr = str.split("\\|");  
        ArrayList tmp = new ArrayList();  
        if (str.length() > 0) {  
            for (int i = 0; i < strArr.length; ++i) {  
                if (debug)  
                    System.out.println(i + " - " + strArr[i]);  
                tmp.add(strArr[i].toLowerCase());  
            }  
        }  
        return tmp;  
    }  
    /** 
     * 判断扩展名是否允许的方法 
     */  
    private boolean extIsAllowed(String fileType, String ext) {  
        ext = ext.toLowerCase();  
        ArrayList allowList = (ArrayList) allowedExtensions.get(fileType);  
        ArrayList denyList = (ArrayList) deniedExtensions.get(fileType);  
        if (allowList.size() == 0) {  
            if (denyList.contains(ext)) {  
                return false;  
            } else {  
                return true;  
            }  
        }  
        if (denyList.size() == 0) {  
            if (allowList.contains(ext)) {  
                return true;  
            } else {  
                return false;  
            }  
        }  
        return false;  
    }  
}

ATextDao（将图片路径存放到数据库中）

package Dao;

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class ATextDao extends HttpServlet {
	private static final long serialVersionUID = 1L;
        
   
    public ATextDao() {
        super();
        // TODO Auto-generated constructor stub
    }

	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		try {
			response.setContentType("text/html;charset=utf-8");
			request.setCharacterEncoding("utf-8"); 
        	//String a=request.getParameter("a");
        	String a=(String) request.getAttribute("a");
    		System.out.println(a);
            Class.forName("com.mysql.jdbc.Driver");
            Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","root");
            String sql = "insert into text(text) value('"+a+"')";
            PreparedStatement ps = conn.prepareStatement(sql);

            ps.execute();               

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
	}

	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		this.doGet(request, response);
    }
	}

picDao（将图片路径存放到数据库中）

package Dao;

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class picDao extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    public picDao() {
        super();
        // TODO Auto-generated constructor stub
    }

	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		try {
			String picurl=request.getParameter("pic");
			System.out.println(picurl);
			String rgex = "src=\"(.*?)\"";
			System.out.println("截出的字符串："+regex.DealStrSub.getSubUtilSimple(picurl, rgex));
			String a = regex.DealStrSub.getSubUtilSimple(picurl, rgex);
			request.setAttribute("a",a);
			//向数据库中存放bate64格式的地址
			request.getRequestDispatcher("/picDao1").forward(request, response);
		    //向数据库存放图片路径
			//request.getRequestDispatcher("/ATextDao").forward(request, response);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
	}

	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		this.doGet(request, response);
	}

}

picDao1（将64格式存到数据库中，数据库中列类型是longtext）

package Dao;

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import product.domeImage;

/**
 * Servlet implementation class picDao1
 */
public class picDao1 extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
   
    public picDao1() {
        super();
        // TODO Auto-generated constructor stub
    }

	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		try {
			response.setContentType("text/html;charset=utf-8");
			request.setCharacterEncoding("utf-8"); 
        	//String a=request.getParameter("a");
			//处理地址
        	String a=(String) request.getAttribute("a");
        	a=a.replace('/','\\');
    		String b="E:\\workspace1\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps";
    		a=b+a;
    		System.out.println(a);
    		//转化成bit64格式
    		String base64 = domeImage.imageToBase64(a);
    		System.out.println(base64+"+++++++++++");
    		
            Class.forName("com.mysql.jdbc.Driver");
            Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","root");
            String sql = "insert into pic(pic) value('"+base64+"')";
            PreparedStatement ps = conn.prepareStatement(sql);

            ps.execute();               

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
	}

	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		this.doGet(request, response);
	}

}

picDao2（从数据库中解码出base64的数据存放）

package Dao;
import java.io.*;
import java.sql.*;
import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import product.domeImage;

public class picDao2 extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    public picDao2() {
        super();
       
    }

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    
        PreparedStatement     ps = null;
        ResultSet      rs = null;
  
		try {
			Class.forName("com.mysql.jdbc.Driver");
	        Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","root");
            ps=conn.prepareStatement("select * from pic where id=?");
            ps.setInt(1,1);
            rs=ps.executeQuery();
            while(rs.next()) {

            	String base64 =(String) rs.getObject(2);//这。。。。
            	System.out.print(base64);
				domeImage.base64ToImage(base64, "D:\\k.jpg");

				}
            
           
           

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
	}

	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		this.doGet(request, response);
	}

}

domeImage(网上找的，处理base64的方法)

package product;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import sun.misc.BASE64Decoder;

import sun.misc.BASE64Encoder;


public class domeImage {

	/**

	 * @Descriptionmap 将图片文件转化为字节数组字符串，并对其进行Base64编码处理

	 * @author

	 * @Date 

	 * @param path 图片路径

	 * @return

	 */

	public static String imageToBase64(String path) {// 将图片文件转化为字节数组字符串，并对其进行Base64编码处理

	    byte[] data = null;

	    // 读取图片字节数组

	    try {

	        InputStream in = new FileInputStream(path);

	        data = new byte[in.available()];

	        in.read(data);

	        in.close();

	    } catch (IOException e) {

	        e.printStackTrace();

	    }

	    // 对字节数组Base64编码

	    BASE64Encoder encoder = new BASE64Encoder();

	    return encoder.encode(data);// 返回Base64编码过的字节数组字符串

	}

 

	/**

	 * @Descriptionmap 对字节数组字符串进行Base64解码并生成图片

	 * @author 

	 * @Date 2016-12-06

	 * @param base64 图片Base64数据

	 * @param path 图片路径

	 * @return

	 */

	public static boolean base64ToImage(String base64, String path) {// 对字节数组字符串进行Base64解码并生成图片

	    if (base64 == null){ // 图像数据为空

	        return false;

	    }

	    BASE64Decoder decoder = new BASE64Decoder();

	    try {

	        // Base64解码

	        byte[] bytes = decoder.decodeBuffer(base64);

	        for (int i = 0; i < bytes.length; ++i) {

	            if (bytes[i] < 0) {// 调整异常数据

	                bytes[i] += 256;

	            }

	        }

	        // 生成jpeg图片

	        OutputStream out = new FileOutputStream(path);

	        out.write(bytes);

	        out.flush();

	        out.close();

	        return true;

	    } catch (Exception e) {

	        return false;

	    }

	}

 
	//测试

	/*public static void main(String[] str) throws Exception {

		String path = "E:\\workspace1\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\CKEditorPicUp\\UserFiles\\Image\\201809";

		String base64 = domeImage.imageToBase64(path);

		domeImage.base64ToImage(base64, "D:\\k.jpg");

		System.out.println(base64+"+++++++++++");

		

		

		

	}*/

 

 

 

}

DealStrSub（对getData方法得到的html代码进行处理获取路径）

package regex;

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.List;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

 

public class DealStrSub {

    /**

     * 正则表达式匹配两个指定字符串中间的内容

     * @param soap

     * @return

     */

    public static List<String> getSubUtil(String soap,String rgex){

        List<String> list = new ArrayList<String>();

        Pattern pattern = Pattern.compile(rgex);// 匹配的模式

        Matcher m = pattern.matcher(soap);

        while (m.find()) {

            int i = 1;

            list.add(m.group(i));

            i++;

        }

        return list;

    }

    

    /**

     * 返回单个字符串，若匹配到多个的话就返回第一个，方法与getSubUtil一样

     * @param soap

     * @param rgex

     * @return

     */

    public static String getSubUtilSimple(String soap,String rgex){

        Pattern pattern = Pattern.compile(rgex);// 匹配的模式

        Matcher m = pattern.matcher(soap);

        while(m.find()){

            return m.group(1);

        }

        return "";

    }

    

    /**

     * 测试

     * @param args

     */

   /* public static void main(String[] args) {

        String str ="<p><img alt='' src='/C/UserFiles/Image/201809/20180913080249445.jpg' style='height:300px; width:658px' /></p>";
        String rgex = "src='(.*?)'";

        System.out.println(getSubUtil(str,rgex));

        System.out.println(getSubUtilSimple(str, rgex));

    }  */

}

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