获取tag属性乱码优化

src/components/Dicom/DicomTags.vue

@@ -36,7 +36,7 @@
         sortable
       />
       <el-table-column
-        prop="length"
+        prop="tagLength"
         label="Length"
         min-width="80"
         show-overflow-tooltip
@@ -96,7 +96,8 @@ export default {
           elementObject.id = `${this.idx++}${new Date().getTime()}`
           elementObject.tagCode = element.tag
           elementObject.tagName = tag.name
-          elementObject.length = element.length
+          elementObject.tagLength = element.length
+          elementObject.value = ''
 
           if (element.vr) {
             elementObject.vr = element.vr
@@ -109,19 +110,113 @@ export default {
               this.dumpDataSet(item.dataSet, childOutput)
               elementObject.child.push(...childOutput)
             })
-          } else if (!element.fragments) {
+          } else if (element.fragments) {
+            // 多帧处理
+          } else {
+            var vr
+            if (element.vr !== undefined) {
+              vr = element.vr
+            }
             if (element.length < 128) {
-              const str = dataSet.string(propertyName)
+              // const str = dataSet.string(propertyName)
-              if (this.isASCII(str) && str !== undefined) {
+              // if (elementObject.tagCode === 'x00280010') {
-                elementObject.value = str
+              //   console.log(str)
+              // }
+              // const stringIsAscii = this.isASCII(str)
+              // if (stringIsAscii && str !== undefined) {
+              //   elementObject.value = str
+              // }
+
+              if (element.vr === undefined && tag === undefined) {
+                if (element.length === 2) {
+                  elementObject.value = dataSet.uint16(propertyName)
+                } else if (element.length === 4) {
+                  elementObject.value = dataSet.uint32(propertyName)
+                }
+                const str = dataSet.string(propertyName)
+                const stringIsAscii = this.isASCII(str)
+
+                if (stringIsAscii) {
+                  if (str !== undefined) {
+                    elementObject.value = str
+                  }
+                } else {
+                  if (element.length !== 2 && element.length !== 4) {
+                    // elementObject.value = 'binary data'
+                  }
+                }
+              } else {
+                if (this.isStringVr(vr)) {
+                  const str = dataSet.string(propertyName)
+                  const stringIsAscii = this.isASCII(str)
+
+                  if (stringIsAscii) {
+                    if (str !== undefined) {
+                      elementObject.value = str
+                    }
+                  } else {
+                    if (element.length !== 2 && element.length !== 4) {
+                      // elementObject.value = 'binary data'
+                    }
+                  }
+                } else if (vr === 'US') {
+                  let text = dataSet.uint16(propertyName)
+                  for (let i = 1; i < dataSet.elements[propertyName].length / 2; i++) {
+                    text += '\\' + dataSet.uint16(propertyName, i)
+                  }
+                  elementObject.value = text
+                } else if (vr === 'SS') {
+                  let text = dataSet.int16(propertyName)
+                  for (let i = 1; i < dataSet.elements[propertyName].length / 2; i++) {
+                    text += '\\' + dataSet.int16(propertyName, i)
+                  }
+                  elementObject.value = text
+                } else if (vr === 'UL') {
+                  let text = dataSet.uint32(propertyName)
+                  for (let i = 1; i < dataSet.elements[propertyName].length / 4; i++) {
+                    text += '\\' + dataSet.uint32(propertyName, i)
+                  }
+                  elementObject.value = text
+                } else if (vr === 'SL') {
+                  let text = dataSet.int32(propertyName)
+                  for (let i = 1; i < dataSet.elements[propertyName].length / 4; i++) {
+                    text += '\\' + dataSet.int32(propertyName, i)
+                  }
+                  elementObject.value = text
+                } else if (vr === 'FD') {
+                  let text = dataSet.double(propertyName)
+                  for (let i = 1; i < dataSet.elements[propertyName].length / 8; i++) {
+                    text += '\\' + dataSet.double(propertyName, i)
+                  }
+                  elementObject.value = text
+                } else if (vr === 'FL') {
+                  let text = dataSet.float(propertyName)
+                  for (let i = 1; i < dataSet.elements[propertyName].length / 4; i++) {
+                    text += '\\' + dataSet.float(propertyName, i)
+                  }
+                  elementObject.value = text
+                } else if (vr === 'OB' || vr === 'OW' || vr === 'UN' || vr === 'OF' || vr === 'UT') {
+                  if (element.length === 2) {
+                    elementObject.value = dataSet.uint16(propertyName)
+                  } else if (element.length === 4) {
+                    elementObject.value = dataSet.uint32(propertyName)
+                  } else {
+
+                  }
+                } else if (vr === 'AT') {
+                  // var group = dataSet.uint16(propertyName, 0);
+                  // var groupHexStr = ("0000" + group.toString(16)).substr(-4);
+                  // var element = dataSet.uint16(propertyName, 1);
+                  // var elementHexStr = ("0000" + element.toString(16)).substr(-4);
+                  // text += "x" + groupHexStr + elementHexStr;
+                } else if (vr === 'SQ') {
+                } else {
+                  // no display code for VR yet, sorry!
+                }
               }
             }
           }
 
-          if (elementObject.child.length === 0) {
-            elementObject.child = null
-          }
-
           output.push(elementObject)
         }
       } catch (err) {
@@ -139,12 +234,6 @@ export default {
       var attr = TAG_DICT[tagIndex]
       return attr
     },
-    imageFrameLink(frameIndex) {
-      var linkText = "<a class='imageFrameDownload' "
-      linkText += "data-frameIndex='" + frameIndex + "'"
-      linkText += " href='#'> Frame #" + frameIndex + '</a>'
-      return linkText
-    },
     isASCII(str) {
       return /^[\x00-\x7F]*$/.test(str)
     },