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 stub
Product 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s
dst = 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 stub
product = (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;
}
}
}