替换下划线为驼峰 查找: (\w*)_(\w*) (\w*)_(\w*)_(\w*) 替换: \l$1\u$2 \l$1\u$2\u$3 替换实体类的set为map的put 查找: \w*.set(\w*)[(] 替换: map.put("\l$1", 记得勾选正则匹配