<?xml version="1.0" encoding="utf-8"?>
<root>
<patient>
<checkNO>1001</checkNO>
<checkState>1</checkState>
</patient>
<patient>
<checkNO>1001</checkNO>
<checkState>1</checkState>
</patient>
</root>
变成Json对象
<?xml version="1.0" encoding="utf-8"?>
<root>
<patient>
<checkNO>1001</checkNO>
<checkState>1</checkState>
</patient>
<patient>
<checkNO>1001</checkNO>
<checkState>1</checkState>
</patient>
</root>
变成Json对象