Updates angular/hlsUtil.md

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angular/hlsUtil.md

@@ -170,7 +170,19 @@ vm.showSheet = function () {
 - 参数2`(回调函数 function)` 回调函数返回图片的base64
 - 调用实例如下
 ```javascript
-
+  vm.openCamera = function () {
+    var obj = {
+      quality: 50,
+      allowEdit: false,
+      width: 1024,
+      height: 768
+    }
+    hlsUtil.openCamera(obj, function (imgdata) {
+      alert(imgdata);
+    }, function (error) {
+      alert(error);
+    })
+  }
 ```