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我从几天的代码挣扎任何人都可以帮助如何通过C++变量++刀片C的使用MySQL ++
std::string str=uri_req1.substr(found+1);
char query[2000];
sprintf(query,"Insert into publish VALUES('%s','NO')",str);
我得到以下警告和值表中没有插入
warning: cannot pass objects of non-POD type ‘struct std::string’
through ‘...’; call will abort at runtime
warning: format ‘%s’ expects type ‘char*’, but
argument 3 has type ‘int’
我想另一件事是
string query;
query="Insert into publish values('";
query+=str;
query+="','NO')";
mysql_query(&mysql,query);
但这也从来没有工作 きNDLY帮助
它告诉你,它不喜欢'string'但确实像'char *'。为什么不直接调用'query.c_str()'? – 2010-09-21 05:24:40