修改营业执照转换长宽

scratch-web/app/base/api/impl/imghandle.js

@@ -171,18 +171,25 @@ async  png2jpg (srcPng, dstJpg) {
     var downClient=system.getObject("util.restClient");
     var result=await downClient.execDownload(jpgpath,jpgpathtmp);
     
-    //检查是否是png
+    //检查是否是 png
     if (await this.isPng(jpgpathtmp)) {
       let pngPath = "/tmp/" + basename + ".png"
-      //修改jpgpathtmp文件名为*.png
+      //修改 jpgpathtmp 文件名为*.png
       await fs.promises.rename(jpgpathtmp, pngPath)
       //转换
       await this.png2jpg(pngPath, jpgpathtmp)
       fs.unlink(pngPath, function (err) { });
     }
     
-    //转换为eps
-    var cmd2eps = "jpeg2ps -p " + " a4 " + jpgpathtmp + " -o " + epspath;
+    //获取图片尺寸，判断是否需要横向 A4
+    var imgSize = await this._getImgSize(jpgpathtmp);
+    var pageFormat = 'a4'; // 默认竖向
+    if (imgSize.width > imgSize.height) {
+      pageFormat = 'a4r'; // 横向 A4
+    }
+    
+    //转换为 eps
+    var cmd2eps = "jpeg2ps -p " + pageFormat + " " + jpgpathtmp + " -o " + epspath;
     var x = await this.execClient.exec(cmd2eps);
     //转换为pdf
     var cmd2pdf = "ps2pdf -dDownsampleColorImages=true " + epspath + "  " + pdfpath;