比如这样一个字符串:SELECT * from biao where createddate BETWEEN :inFromDate and :inToDate {0} {1} {2} {3} ORDER BY createddate desc ;
用string.Format怎么选择性替换呢?
比如只替换{3}
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求助:string.Format拼接字符串{0}{1}{2}{3},选择性替换{2}
比如这样一个字符串:SELECT * from biao where createddate BETWEEN :inFromDate and :inToDate {0} {1} {2} {3} ORDER BY createddate desc ; 用string.Format怎么选择性替换呢? 比如只替换{3}
var test = string.Format(@"SELECT * from biao where createddate BETWEEN :inFromDate and :inToDate {0} {1} {2} {3} ORDER BY createddate desc ;",null,null,null,"str");