Commits

Merge pull request #2 in GIT/demo-arcgis from dev to master * commit '90457b9638baaddf92efb3e1dac454f645352fa9': [update]增加画圆方法
Merge pull request #2 in GIT/demo-arcgis from dev to master * commit '90457b9638baaddf92efb3e1dac454f645352fa9': [update]增加画圆方法