如何将图片变黑白

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select * from tbl_Articles WHERE ArticleID=2084218 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2084218 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2084218 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1694470,812879,1583579,152756,1092367,1394817,485138,1100913,1319780,1987235,306736,1109895,2374048,1661814,503778,870026,1295347,1078903,276879,2255850,1074819,2185047,1065299,1117055,1102300,1638841,3007505,1796319,1127529,1117968) ORDER BY field (ArticleID,1694470,812879,1583579,152756,1092367,1394817,485138,1100913,1319780,1987235,306736,1109895,2374048,1661814,503778,870026,1295347,1078903,276879,2255850,1074819,2185047,1065299,1117055,1102300,1638841,3007505,1796319,1127529,1117968)