怎么把png转换成jpg

页面:/news/view-911133/ | 耗时:0.8465 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=911133 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=911133 LIMIT 0,1
select * from tbl_Articles_sphinx where id=911133 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1224463,381773,1083224,81286,2897170,379524,376598,493922,1102776,98794,470883,363817,1117375,498822,403883,468594,1120705,473438,443391,1080862,413504,99161,98820,1096214,471287,391061,1091344,385091,453247,3473111) ORDER BY field (ArticleID,1224463,381773,1083224,81286,2897170,379524,376598,493922,1102776,98794,470883,363817,1117375,498822,403883,468594,1120705,473438,443391,1080862,413504,99161,98820,1096214,471287,391061,1091344,385091,453247,3473111)