1

utils/util.js

 
 const printData = (xnum,weight,arr) =>{
   let length = arr.length;
-  let newLength = Math.ceil(length/10);//十条数据为一个标签
+  let newLength = Math.ceil(length/7);//7条数据为一个标签
   let str = "";
   for(let i = 0;i<newLength;i++){
-    let j = i*10;
-    let k = (i+1)*10;
+    let j = i*7;
+    let k = (i+1)*7;
     str+="! 0 200 200 400 1\n";
     str+="B QR 200 0 M 2 2 10\n";
     str+="MA,QR code :"+xnum+","+weight+"\n";