jietu2

src/common/jietu2.js

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+function jietu_shishi(uid, cid, stage, task, tool) {
+  html2canvas($("body")[0]).then(function (canvas) {
+    //获取截取图片路径
+
+    var base64Url = canvas.toDataURL('image/png');
+    //后台操作处理
+
+    var base64 = "<img src=" + base64Url + " />"
+    var file = dataURLtoFile_shishi(base64Url, "截图")
+    beforeUpload_shishi(file, uid, cid, stage, task, tool)
+    // $("body")[0].innerHTML = base64
+  });
+}
+
+function dataURLtoFile_shishi(dataurl, filename) {
+  let arr = dataurl.split(","),
+    mime = arr[0].match(/:(.*?);/)[1],
+    bstr = atob(arr[1]),
+    n = bstr.length,
+    u8arr = new Uint8Array(n);
+  while (n--) {
+    u8arr[n] = bstr.charCodeAt(n);
+  }
+  return new File([u8arr], filename, {
+    type: mime
+  });
+}
+
+
+function beforeUpload_shishi(nfile, uid, cid, stage, task, tool) {
+  var file = nfile;
+  var credentials = {
+    accessKeyId: "AKIATLPEDU37QV5CHLMH",
+    secretAccessKey: "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",
+  }; //秘钥形式的登录上传
+  window.AWS.config.update(credentials);
+  window.AWS.config.region = "cn-northwest-1"; //设置区域
+
+  var bucket = new window.AWS.S3({
+    params: {
+      Bucket: "ccrb"
+    }
+  }); //选择桶
+
+  if (file) {
+    var params = {
+      Key: file.name.split(".")[0] + new Date().getTime() + "." + "png",
+      ContentType: file.type,
+      Body: file,
+      "Access-Control-Allow-Credentials": "*",
+      ACL: "public-read",
+    }; //key可以设置为桶的相抵路径，Body为文件， ACL最好要设置
+    var options = {
+      partSize: 2048 * 1024 * 1024,
+      queueSize: 2,
+      leavePartsOnError: true,
+    };
+    bucket.upload(params, options)
+      .on("httpUploadProgress", function (evt) {
+        //这里可以写进度条
+        // console.log("Uploaded : " + parseInt((evt.loaded * 80) / evt.total) + '%');
+      }).send(function (err, data) {
+        console.log(data.Location);
+        var a = {
+          name: file.name,
+          url: data.Location,
+          uid: file.uid,
+        }
+        addSWork_shishi(uid, cid, stage, task, tool, a)
+      });
+  }
+}
+
+function addSWork_shishi(uid, cid, stage, task, tool, a) {
+  let params = {
+    uid: uid,
+    cid: cid,
+    stage:stage,
+    task:task,
+    tool:tool,
+    content: a,
+    type: 1,
+    // upload: JSON.stringify(this.imgFileUp),
+  };
+  $.ajax({
+    type: 'GET',
+    url: 'https://pbl.cocorobo.cn/api/pbl/addCourseWorks',
+    data: params,
+    dataType: "json",
+    success: (data) => {
+      console.log("截图上传成功");
+    }
+  })
+}