今天有了一丁点的小成绩,没有正式的做过java项目,也可以改几个java的bug.
拷贝一下代码,以后备用:
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;
import com.aa.bb.Constants;
import com.aa.bb.util.ImageUtil;
import com.aa.bb.util.StringUtil;
import com.aa.bb.util.upload.GetURLUtil;
import com.aa.bb.util.upload.HandleUploadeFile;
import com.aa.bb.util.upload.MD5;
public class UDArticleImagesAction extends HttpServlet {
/**
* Constructor of the object.
*/
public UDArticleImagesAction() {
super();
}
/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
request.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
String body = request.getParameter("body");
String path = getServletContext().getRealPath(GetURLUtil.getWebArticleAffixPath() +
GetURLUtil.getPath() + Constants.YEAR + GetURLUtil.getPath() +
Constants.MONTH);
String fileName;
// 文章内容非空
if(!StringUtil.isBlank(body)) {
// 取得文章中所有IMG标签
List<String> imgList = ImageUtil.getImgSrc(body);
HttpClient client = new HttpClient();
// 遍历下载并重命名
for(String img : imgList) {
// 取得URL中的文件名
fileName = img.split("/")[img.split("/").length - 1];
// get方法取得图片
GetMethod get = new GetMethod(img);
client.executeMethod(get);
// 建立文件存储路径
HandleUploadeFile.checkDirectoryAndCreateDirectory(path);
//图片名称
String imgName = MD5.getImgName(fileName);
// 存储文件
// System.out.println(path + "\\" + MD5.getImgName(fileName));
// File storeFile = new File(path + "\\" + MD5.getImgName(fileName));
System.out.println(path + "\\" + imgName);
File storeFile = new File(path + "\\" + imgName);
FileOutputStream output = new FileOutputStream(storeFile);
//得到网络资源的字节数组,并写入文件
output.write(get.getResponseBody());
output.close();
// 初始化新图片本地URL
String imgUrl = "http://" + request.getServerName();
if(request.getServerPort() != 80) {
imgUrl += ":" + request.getServerPort();
}
imgUrl += "/cms" + GetURLUtil.getWebArticleAffixPath() +
"/" + Constants.YEAR + "/" + Constants.MONTH + "/" + imgName;
System.out.println(imgUrl);
// 替换到原文章内容
body = StringUtil.replaceAll(body, img, imgUrl);
}
System.out.println(body);
out.println(body);
}
out.flush();
out.close();
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("123");
out.flush();
out.close();
}
}
呵呵,整个类都考下来啦。备用吧。
作用:在编辑器里把文章图片拷贝过来的时候,调用此类可以把图片上传到本地指定的文件夹内。
注意:图片是加密过的名字会报错的,原因:未研究。