二维码导出

src/main/java/com/jeeplus/modules/warehouse/qrcode/util/DrawQrcodeUtil.java

@@ -243,7 +243,7 @@ public class DrawQrcodeUtil {
         QRcodeSize qRcodeSize = null;
         qRcodeSize = new QRcodeSize(8,800,1800,78,800,200,1600,1600,new Color(34,25,21));
 //        BufferedImage bgImage = new BufferedImage(1600, 2400, BufferedImage.TYPE_4BYTE_ABGR);
-        BufferedImage bgImage = new BufferedImage(3200, 2400, BufferedImage.TYPE_4BYTE_ABGR);
+        BufferedImage bgImage = new BufferedImage(3200, 2400, BufferedImage.TYPE_INT_ARGB);
         Graphics2D g2 = bgImage.createGraphics();
         BufferedImage qrcodeImage = ImageIO.read(qrcodeFile);
 
@@ -255,7 +255,7 @@ public class DrawQrcodeUtil {
                 , RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
         g2.setRenderingHints(rh);
 
-        Font font = new Font("微软雅黑",Font.PLAIN,150);
+        Font font = new Font("等线",Font.PLAIN,100);
 
         g2.setFont(font); //设置字体:字体、字号、大小
         g2.setColor(qRcodeSize.color);//设置背景颜色

src/main/webapp/webpage/modules/warehouse/goods/logic.js

@@ -17,7 +17,7 @@ var defPrintOption = {
     // usb tcp
     protocol: printerProtocolMap.usb,
     // 打印机指令
-    printerDirective: printerDirectiveMap._thermal_zpl_draw_print_
+    printerDirective: printerDirectiveMap._thermal_tspl_draw_print_
 }
 var device = '';
 
@@ -73,21 +73,21 @@ var Image_style_letType = {
 
 var pageConfig = {
     // 纸张宽度
-    draw_w: '',
+    draw_w: 90,
     // 页长
-    draw_h: '',
+    draw_h: 72.5,
     // 横向位置
-    Image_x: '',
+    Image_x: 0,
     // 纵向位置
-    Image_y: '',
+    Image_y: 0,
     // 图片宽度
-    Image_w: '',
+    Image_w: 84,
     // 图片高度
-    Image_h: '',
+    Image_h: 63,
     // 图片阈值
-    Image_Threshold: '',
+    Image_Threshold: 170,
     // 图片打印模式
-    Image_style_let: '1',
+    Image_style_let: 3,
 }
 
 //绘图打印图片
@@ -125,34 +125,63 @@ function printImage (url) {
         }
     }
 
-    var pack = {
-        command: defPrintOption.printerDirective,
-        device : device,
-        printdirectly : 'true',
-        measurement_mode: 'mm',
-        canvas_size : {
-            width: pageConfig.draw_w,
-            height: pageConfig.draw_h
-        },
-        get_base64_img : 'false',
-        is_label: 'false',
-        print: [
-            {
-                func: "PDSetAddImageMode",
-                iMode: pageConfig.Image_style_let,
-                iValueThreshold: pageConfig.Image_Threshold
-            },
-            {
-                func:"PDDrawImage",
-                iX: pageConfig.Image_x,
-                iY: pageConfig.Image_y,
-                iWidth: pageConfig.Image_w,
-                iHeight: pageConfig.Image_h,
-                szImageFile: url
+    url2Base64(url).then(res => {
+        var pack = {
+            command: defPrintOption.printerDirective,
+            device : device,
+            printdirectly : 'true',
+            measurement_mode: 'mm',
+            canvas_size: {
+                width: pageConfig.draw_w,
+                height: pageConfig.draw_h
             },
-        ]
-    }
-    on_link_device(pack, onBack);
+            get_base64_img : 'false',
+            is_label: 'false',
+            print: [
+                {
+                    func: "PDSetAddImageMode",
+                    iMode: pageConfig.Image_style_let,
+                    iValueThreshold: pageConfig.Image_Threshold
+                },
+                {
+                    func:"PDDrawImage",
+                    iX: pageConfig.Image_x,
+                    iY: pageConfig.Image_y,
+                    iWidth: pageConfig.Image_w,
+                    iHeight: pageConfig.Image_h,
+                    szImageFile: res
+                },
+            ]
+        }
+        console.log(pack)
+        on_link_device(pack, onBack);
+    })
+
+
+}
+
+function url2Base64 (url, type = 'image/jpeg') {
+    return new Promise((resolve, reject) => {
+        const img = new Image()
+        const canvas = document.createElement('canvas');
+        img.crossOrigin = '*';
+        img.onload = function () {
+            const width = img.width, height = img.height;
+            canvas.width = width;
+            canvas.height = height;
+
+            const ctx = canvas.getContext('2d');
+            ctx.fillStyle = 'white';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+            ctx.drawImage(img, 0, 0, width, height);
+            const base64 = canvas.toDataURL(type);
+            resolve(base64);
+        };
+        img.onerror = function () {
+            reject(new Error('message'));
+        };
+        img.src = url;
+    });
 }
 
 function on_link_device (pack, onBack) {