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商品详情由前端生成改为后端生成

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xwb
2020-04-29 10:13:08 +08:00
parent 1a6e7b0887
commit 8ec7c94516
6 changed files with 207 additions and 58 deletions
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8
yshop-api/src/main/java/co/yixiang/modules/shop/service/CreatShareProductService.java Normal file
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@ -0,0 +1,8 @@
package co.yixiang.modules.shop.service;
import co.yixiang.modules.shop.web.dto.ProductDTO;
public interface CreatShareProductService {
String creatProductPic(ProductDTO productDTO,String qrcode,String spreadPicName,String spreadPicPath,String apiUrl);
}

183
yshop-api/src/main/java/co/yixiang/modules/shop/service/impl/CreatShareProductServiceImpl.java Normal file
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@ -0,0 +1,183 @@
package co.yixiang.modules.shop.service.impl;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.util.ObjectUtil;
import co.yixiang.modules.shop.service.CreatShareProductService;
import co.yixiang.modules.shop.web.dto.ProductDTO;
import co.yixiang.modules.user.entity.YxSystemAttachment;
import co.yixiang.modules.user.service.YxSystemAttachmentService;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import javax.imageio.ImageIO;
import javax.imageio.stream.ImageInputStream;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.UUID;
@Service
@RequiredArgsConstructor(onConstructor = @__(@Autowired))
public class CreatShareProductServiceImpl implements CreatShareProductService {
private final YxSystemAttachmentService systemAttachmentService;
public String creatProductPic(ProductDTO productDTO,String shareCode,String spreadPicName,String spreadPicPath,String apiUrl) {
YxSystemAttachment attachmentT = systemAttachmentService.getInfo(spreadPicName);
String spreadUrl = "";
if(ObjectUtil.isNull(attachmentT)){
//创建图片
BufferedImage img = new BufferedImage(750, 1334, BufferedImage.TYPE_INT_RGB);
//开启画图
Graphics g = img.getGraphics();
//背景 -- 读取互联网图片
BufferedImage back = null;
InputStream stream = getClass().getClassLoader().getResourceAsStream("background.png");
try {
ImageInputStream background = ImageIO.createImageInputStream(stream);
back = ImageIO.read(background);
} catch (IOException e) {
e.printStackTrace();
}
g.drawImage(back.getScaledInstance(750, 1334, Image.SCALE_DEFAULT), 0, 0, null); // 绘制缩小后的图
//商品 banner图
//读取互联网图片
BufferedImage priductUrl = null;
try {
priductUrl = ImageIO.read(new URL(productDTO.getStoreInfo().getImage_base()));
} catch (IOException e) {
e.printStackTrace();
}
g.drawImage(priductUrl.getScaledInstance(690,516,Image.SCALE_DEFAULT),29,61,null);
//文案标题
g.setFont(new Font("微软雅黑", Font.BOLD, 34));
g.setColor(new Color(29,29,29));
//绘制文字
g.drawString(productDTO.getStoreInfo().getStoreName(), 31, 638);
//文案
g.setFont(new Font("微软雅黑", Font.PLAIN, 30));
g.setColor(new Color(47,47,47));
int fontlen = getWatermarkLength(productDTO.getStoreInfo().getStoreInfo(), g);
//文字长度相对于图片宽度应该有多少行
int line = fontlen / (back.getWidth() - 90);
//高度
int y = back.getHeight() - (line + 1) * 30 + 200;
//文字叠加,自动换行叠加
int tempX = 32;
int tempY = y;
//单字符长度
int tempCharLen = 0;
//单行字符总长度临时计算
int tempLineLen = 0;
StringBuffer sb =new StringBuffer();
for(int i=0; i < productDTO.getStoreInfo().getStoreInfo().length(); i++) {
char tempChar = productDTO.getStoreInfo().getStoreInfo().charAt(i);
tempCharLen = getCharLen(tempChar, g);
tempLineLen += tempCharLen;
if(tempLineLen >= (back.getWidth()-90)) {
//长度已经满一行,进行文字叠加
g.drawString(sb.toString(), tempX, tempY + 50);
//清空内容,重新追加
sb.delete(0, sb.length());
//每行文字间距50
tempY += 50;
tempLineLen =0;
}
//追加字符
sb.append(tempChar);
}
//最后叠加余下的文字
g.drawString(sb.toString(), tempX, tempY + 50);
//价格背景
//读取互联网图片
BufferedImage bground = null;//
InputStream redStream = getClass().getClassLoader().getResourceAsStream("red.jpg");
try {
ImageInputStream red = ImageIO.createImageInputStream(redStream);
bground = ImageIO.read(red);
} catch (IOException e) {
e.printStackTrace();
}
// 绘制缩小后的图
g.drawImage(bground.getScaledInstance(160, 40, Image.SCALE_DEFAULT), 30, 1053, null);
//限时促销价
g.setFont(new Font("微软雅黑", Font.PLAIN, 24));
g.setColor(new Color(255,255,255));
g.drawString("限时促销价", 50, 1080);
//价格
g.setFont(new Font("微软雅黑", Font.PLAIN, 50));
g.setColor(new Color(249,64,64));
g.drawString("¥" +productDTO.getStoreInfo().getPrice(), 29, 1162);
//原价
g.setFont(new Font("微软雅黑", Font.PLAIN, 36));
g.setColor(new Color(171,171,171));
String price = "¥" + productDTO.getStoreInfo().getOtPrice();
g.drawString(price, 260, 1160);
g.drawLine(250,1148,260+150,1148);
//商品名称
g.setFont(new Font("微软雅黑", Font.PLAIN, 32));
g.setColor(new Color(29,29,29));
g.drawString(productDTO.getStoreInfo().getStoreName(), 30, 1229);
//生成二维码返回链接
String url = shareCode;
//读取互联网图片
BufferedImage qrCode = null;
try {
qrCode = ImageIO.read(new URL(url));
} catch (IOException e) {
e.printStackTrace();
}
// 绘制缩小后的图
g.drawImage(qrCode.getScaledInstance(174, 174, Image.SCALE_DEFAULT), 536, 1057, null);
//二维码字体
g.setFont(new Font("微软雅黑", Font.PLAIN, 25));
g.setColor(new Color(171,171,171));
//绘制文字
g.drawString("扫描或长按小程序码", 515, 1260);
g.dispose();
//先将画好的海报写到本地
File file = new File(spreadPicPath);
try {
ImageIO.write(img, "jpg",file);
} catch (IOException e) {
e.printStackTrace();
}
systemAttachmentService.attachmentAdd(spreadPicName,
String.valueOf(FileUtil.size(new File(spreadPicPath))),
spreadPicPath,"qrcode/"+spreadPicName);
spreadUrl = apiUrl + "/api/file/qrcode/"+spreadPicName;
//保存到本地 生成文件名字
}else {
spreadUrl = apiUrl + "/api/file/" + attachmentT.getSattDir();
}
return spreadUrl;
}
/**
* 获取水印文字总长度
*@paramwaterMarkContent水印的文字
*@paramg
*@return水印文字总长度
*/
public static int getWatermarkLength(String waterMarkContent, Graphics g) {
return g.getFontMetrics(g.getFont()).charsWidth(waterMarkContent.toCharArray(),0, waterMarkContent.length());
}
public static int getCharLen(char c, Graphics g) {
return g.getFontMetrics(g.getFont()).charWidth(c);
}
}

68
yshop-api/src/main/java/co/yixiang/modules/shop/web/controller/StoreProductController.java
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@ -19,10 +19,7 @@ import co.yixiang.common.api.ApiResult;
import co.yixiang.common.web.controller.BaseController;
import co.yixiang.enums.AppFromEnum;
import co.yixiang.enums.ProductEnum;
import co.yixiang.modules.shop.service.YxStoreProductRelationService;
import co.yixiang.modules.shop.service.YxStoreProductReplyService;
import co.yixiang.modules.shop.service.YxStoreProductService;
import co.yixiang.modules.shop.service.YxSystemConfigService;
import co.yixiang.modules.shop.service.*;
import co.yixiang.modules.shop.web.dto.ProductDTO;
import co.yixiang.modules.shop.web.param.YxStoreProductQueryParam;
import co.yixiang.modules.shop.web.param.YxStoreProductRelationQueryParam;
@ -67,7 +64,7 @@ public class StoreProductController extends BaseController {
private final YxSystemConfigService systemConfigService;
private final YxSystemAttachmentService systemAttachmentService;
private final YxUserService yxUserService;
private final CreatShareProductService creatShareProductService;
@Value("${file.path}")
private String path;
@ -125,9 +122,7 @@ public class StoreProductController extends BaseController {
@RequestParam(value = "",required=false) String longitude,
@RequestParam(value = "",required=false) String from){
int uid = SecurityUtils.getUserId().intValue();
ProductDTO productDTO = storeProductService.goodsDetail(id,0,uid,latitude,longitude);
// 海报
String siteUrl = systemConfigService.getData("site_url");
if(StrUtil.isEmpty(siteUrl)){
@ -137,66 +132,40 @@ public class StoreProductController extends BaseController {
if(StrUtil.isEmpty(apiUrl)){
return ApiResult.fail("未配置api地址");
}
YxUserQueryVo userInfo = yxUserService.getYxUserById(uid);
String userType = userInfo.getUserType();
if(!userType.equals(AppFromEnum.ROUNTINE.getValue())) {
userType = AppFromEnum.H5.getValue();
}
//app类型
if(StrUtil.isNotBlank(from) && AppFromEnum.APP.getValue().equals(from)){
String name = id+"_"+uid + "_"+from+"_product_detail_wap.jpg";
YxSystemAttachment attachment = systemAttachmentService.getInfo(name);
String inviteCode = OrderUtil.createShareCode();
if(ObjectUtil.isNull(attachment)){
systemAttachmentService.newAttachmentAdd(name, "", "","",uid,inviteCode);
}else{
inviteCode = attachment.getInviteCode();
}
productDTO.getStoreInfo().setCodeBase(inviteCode);
}else {
String name = id+"_"+uid + "_"+userType+"_product_detail_wap.jpg";
YxSystemAttachment attachment = systemAttachmentService.getInfo(name);
String fileDir = path+"qrcode"+ File.separator;
String qrcodeUrl = "";
String routineQrcodeUrl = "";
if(ObjectUtil.isNull(attachment)){
//生成二维码
File file = FileUtil.mkdir(new File(fileDir));
//如果类型是小程序
if(userType.equals(AppFromEnum.ROUNTINE.getValue())){
//下载图片
//h5地址
siteUrl = siteUrl+"/product/";
//生成二维码
QrCodeUtil.generate(siteUrl+"?productId="+id+"&spread="+uid, 180, 180,
FileUtil.file(fileDir+name));
}else{
}else{//如果类型是h5
//生成二维码
QrCodeUtil.generate(siteUrl+"/detail/"+id+"?spread="+uid, 180, 180,
FileUtil.file(fileDir+name));
}
systemAttachmentService.attachmentAdd(name,String.valueOf(FileUtil.size(file)),
fileDir+name,"qrcode/"+name);
qrcodeUrl = fileDir+name;
routineQrcodeUrl = apiUrl + "/api/file/qrcode/"+name;
qrcodeUrl = apiUrl + "/api/file/qrcode/"+name;
}else{
qrcodeUrl = attachment.getAttDir();
routineQrcodeUrl = apiUrl + "/api/file/" + attachment.getSattDir();
qrcodeUrl = apiUrl + "/api/file/" + attachment.getSattDir();
}
if(userType.equals(AppFromEnum.ROUNTINE.getValue())){
productDTO.getStoreInfo().setCodeBase(routineQrcodeUrl);
}else{
try {
String base64CodeImg = co.yixiang.utils.FileUtil.fileToBase64(new File(qrcodeUrl));
productDTO.getStoreInfo().setCodeBase("data:image/jpeg;base64," + base64CodeImg);
} catch (Exception e) {
e.printStackTrace();
}
}
}
String spreadPicName = id+"_"+uid + "_"+userType+"_product_user_spread.jpg";
String spreadPicPath = fileDir+spreadPicName;
String rr = creatShareProductService.creatProductPic(productDTO,qrcodeUrl,spreadPicName,spreadPicPath,apiUrl);
productDTO.getStoreInfo().setCodeBase(rr);
return ApiResult.ok(productDTO);
}
@ -246,16 +215,5 @@ public class StoreProductController extends BaseController {
}

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yshop-api/src/main/resources/config/application-dev.yml
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@ -47,7 +47,7 @@ spring:
database: 0
host: 127.0.0.1
port: 6379
password:
password: root
#连接超时时间
timeout: 5000
@ -75,8 +75,8 @@ swagger:
# 文件存储路径
file:
path: E:\yshop\file\
avatar: E:\yshop\avatar\
path: D:\yshop\file\
avatar: D:\yshop\avatar\
# 文件大小 /M
maxSize: 100
avatarMaxSize: 5

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