svn status:
U: working file was uploaded,工作目录更新
G: Changes on the repo were automatically merged into the working copy，版本自动merge上去
M: Working copy is modify,文件修改
C: The file conflicts with the version in the repo文件在版本库中冲突
?: The file is not under version control 文件不在版本库中
!: The file is under version control but is missing or incomplete 文件在版本库中，但是没有使用svn删除或不完整
A: The file will be added to version control(after commit)新增文件
A+: The file will be moved (after commit)
D: The file will be deleted (after commit)文件被移除版本库
S: This signifies that the file or directory has been switched from the path of the rest of the working copy (using svn switch) to a branch
I: Ignored
R: Item has been replaced in your working copy. This means the file was scheduled for deletion, and then a new file with the same name was scheduled for addition in its place.