全自动用kindeditor文本编辑器实现后台产品描述图片的增删改(投点分给 thank you)
详细分析在代码上有。。有疑问、问题的可以跟贴问。。。。
public class productaction extends baseaction {// 添加商品public string addproduct() throws exception {// todo auto-generated method stubproduct p = new product(name.trim(), brane, price, marketprice, weight,size, style00, material, colordesc, situation, big, style01,logo, age, struct, element, desc, total);this.adminservice.saveorupdate(p);file dir = new file(servletactioncontext.getrequest().getrealpath("/productimg"));if (!dir.exists()) {dir.mkdir();}file dst = null;boolean b = false;// 形象照if (img != null) {dst = new file(dir.getabsolutepath() + file.separator + p.getid()+ ".jpg");// 图像缩咯if ("0".equals(this.model)) {b = this.resize_image(img, dst, 178, 178);} else {b = this.resize_image(img, dst, 180, 300);}if (b)p.setimg(dst.getname());}// 产口图片string temp = "";if (productimg != null) {for (int i = 0; i < productimg.length; i++) {// 图像压缩if (productimg[i] != null) {dst = new file(dir.getabsolutepath() + file.separator+ "p_" + p.getid() + new date().gettime() + i+ ".jpg");// 原图this.resize_image(productimg[i], dst);temp += dst.getname() + "-";// 小图 用s_标记 在原图的文件名上加上sdst = new file(dir.getabsolutepath() + file.separator+ "s_" + dst.getname());this.geometric_image(productimg[i], dst, 80, 80);}}p.setproductimg(temp);}// 颜色图片temp = "";if (colorimg != null) {for (int i = 0; i < colorimg.length; i++) {// 图像压缩if (colorimg[i] != null) {dst = new file(dir.getabsolutepath() + file.separator+ "c_" + p.getid() + new date().gettime() + i+ ".jpg");// 原图this.resize_image(colorimg[i], dst);temp += dst.getname() + "-";// 小图dst = new file(dir.getabsolutepath() + file.separator+ "s_" + dst.getname());this.geometric_image(colorimg[i], dst, 80, 80);}}p.setcolorimg(temp);}this.adminservice.saveorupdate(p);this.adminservice.jsp_to_html("http://www.xinbw.com/toproduct.action?id="+ p.getid(), "producthtml" + file.separator + "pshow_"+ p.getid() + ".html", servletactioncontext.getrequest());//删除产品描述图片if (!this.isnull(imgstr)) {if (p.getdesc() == null) {p.setdesc("");}string arr[] = imgstr.split("-");for (int i = 0; i < arr.length; i++) {if (p.getdesc().indexof(arr[i]) == -1) {// 删除图片file ft = new file(servletactioncontext.getrequest().getrealpath("descimg" + arr[i].split("descimg")[1]));if (ft.exists()) {ft.delete();// system.out.println("-delete-->" + ft.getname());}}}}// system.out.println("-->" + model);this.msg = "商品添加成功!";return super.execute();}// 更新商品public string updateproduct() throws exception {// todo auto-generated method stubproduct = (product) this.adminservice.get(product.class, id);//原来的商品描述图片string text = product.getdesc();list list = new arraylist();if (text != null) {string temp[] = text.split("descimg/");for (int k = 0; k < temp.length; k++) {if (temp[k].indexof("jpg") != -1) {// system.out.println("---->"+temp[k]);list.add(temp[k].substring(0, temp[k].indexof("jpg"))+ "jpg");// system.out.println("---->"+temp[k]+".jpg");}}}this.adminservice.saveorupdate(product);file dir = new file(servletactioncontext.getrequest().getrealpath("/productimg"));if (!dir.exists()) {dir.mkdir();}file dst = null;boolean b = false;// 形象照if (img != null) {dst = new file(dir.getabsolutepath() + file.separator+ product.getid() + ".jpg");// 图像缩咯// 图像缩咯if ("0".equals(this.model)) {b = this.resize_image(img, dst, 178, 178);} else {b = this.resize_image(img, dst, 180, 300);}if (b)product.setimg(dst.getname());}// 产口图片string temp = "";if (productimg != null) {for (int i = 0; i < productimg.length; i++) {// 图像压缩if (productimg[i] != null) {dst = new file(dir.getabsolutepath() + file.separator+ "p_" + product.getid() + new date().gettime() + i+ ".jpg");// 原图this.resize_image(productimg[i], dst);temp += dst.getname() + "-";// 小图 用s_标记dst = new file(dir.getabsolutepath() + file.separator+ "s_" + dst.getname());this.geometric_image(productimg[i], dst, 80, 80);}}product.setproductimg(product.getproductimg() + temp);}// 颜色图片temp = "";if (colorimg != null) {for (int i = 0; i < colorimg.length; i++) {// 图像压缩if (colorimg[i] != null) {dst = new file(dir.getabsolutepath() + file.separator+ "c_" + product.getid() + new date().gettime() + i+ ".jpg");// 原图this.resize_image(colorimg[i], dst);temp += dst.getname() + "-";// 小图dst = new file(dir.getabsolutepath() + file.separator+ "s_" + dst.getname());this.geometric_image(colorimg[i], dst, 80, 80);}}product.setcolorimg(product.getcolorimg() + temp);}// system.out.println("-->"+product.getproductimg()+"---->"+product.getcolorimg());this.adminservice.saveorupdate(product);this.adminservice.jsp_to_html("http://www.xinbw.com/toproduct.action?id=" + product.getid(),"producthtml/pshow_" + product.getid() + ".html",servletactioncontext.getrequest());if (!this.isnull(imgstr)) {if (product.getdesc() == null) {product.setdesc("");}string arr[] = imgstr.split("-");for (int i = 0; i < arr.length; i++) {if (product.getdesc().indexof(arr[i]) == -1) {// 删除图片file ft = new file(servletactioncontext.getrequest().getrealpath("descimg" + arr[i].split("descimg")[1]));if (ft.exists()) {ft.delete();}}}}//新的商品描述图片text = product.getdesc();list<string> list_ = new arraylist();if (text != null) {string str[] = text.split("descimg/");for (int k = 0; k < str.length; k++) {if (str[k].indexof("jpg") != -1) {// system.out.println("---->"+str[k]);list_.add(str[k].substring(0, str[k].indexof("jpg"))+ "jpg");// system.out.println("---->"+temp[k]+".jpg");}}}// 一比较删除相应的图片//删除产品描述图片for (int i = 0; i < list.size(); i++) {string jpg = (string) list.get(i);if (!list_.contains(jpg)) {// 删除图片file ft = new file(servletactioncontext.getrequest().getrealpath("descimg/" + jpg));if (ft.exists()) {ft.delete();// system.out.println("------------>"+ft.getname());}}}this.date = new date().gettime();this.msg = "商品修改成功!";return "updateproduct";}/** * 图像压缩 * * @param fi大图文件 * @param fo将要转换出的小图文件 */public boolean resize_image(file fi, file fo) {try {// file fi = new file("e:/3.jpg"); // 大图文件// file fo = new file("e:/333.jpg"); // 将要转换出的小图文件// affinetransform transform = new affinetransform();bufferedimage bis = imageio.read(fi);int w = bis.getwidth();// system.out.println(w);int h = bis.getheight();// system.out.println(h);// double scale = (double) w / h;int nw = w;int nh = h;bufferedimage tag = new bufferedimage(nw, nh,bufferedimage.type_int_rgb);tag.getgraphics().drawimage(bis, 0, 0, nw, nh, null); // 绘制缩小后的图// 转换为32*32 jpg格式fileoutputstream newimage = new fileoutputstream(fo); // 输出到文件流jpegimageencoder encoder = jpegcodec.createjpegencoder(newimage);encoder.encode(tag);newimage.close();return true;} catch (exception e) {e.printstacktrace();return false;}}/** * 图像的缩略 * * * width 输出图片大小 height * * @param fi大图文件 * @param fo将要转换出的小图文件 */public boolean resize_image(file fi, file fo, int width, int height) {try {bufferedimage bis = imageio.read(fi);int w = bis.getwidth();int h = bis.getheight();int nw = width;int nh = height;bufferedimage tag = new bufferedimage(nw, nh,bufferedimage.type_int_rgb);tag.getgraphics().drawimage(bis, 0, 0, nw, nh, null); // 绘制缩小后的图// 转换为32*32 jpg格式fileoutputstream newimage = new fileoutputstream(fo); // 输出到文件流jpegimageencoder encoder = jpegcodec.createjpegencoder(newimage);encoder.encode(tag);newimage.close();return true;} catch (exception e) {e.printstacktrace();return false;}}/** * 图像的等比缩略 * * * width 输出图片大小 height * * @param fi大图文件 * @param fo将要转换出的小图文件 */public boolean geometric_image(file fi, file fo, int width, int height) {try {bufferedimage bis = imageio.read(fi);int w = bis.getwidth();int h = bis.getheight();int nw = w;int nh = h;if (w > width) {nw = width;nh = nw * h / w;if (nh > height) {nh = height;nw = nh * w / h;}} else if (h > height) {nh = height;nw = nh * w / h;if (nw > width) {nw = width;nh = nw * h / w;}}bufferedimage tag = new bufferedimage(nw, nh,bufferedimage.type_int_rgb);tag.getgraphics().drawimage(bis, 0, 0, nw, nh, null); // 绘制缩小后的图// 转换为32*32 jpg格式fileoutputstream newimage = new fileoutputstream(fo); // 输出到文件流jpegimageencoder encoder = jpegcodec.createjpegencoder(newimage);encoder.encode(tag);newimage.close();return true;} catch (exception e) {e.printstacktrace();return false;}}}