擅长:python、mysql、java
<p>看看函数的<a href="https://en.wikipedia.org/wiki/Printf_format_string" rel="nofollow">printf family</a>。在</p>
<pre><code>string toSql( string table, string field, string value )
{
char buffer[ 100 ];
size_t length = sprintf( buffer, "INSERT INTO %s (%s) VALUES (%s)", table.data( ), field.data( ), value.data( ) );
if ( lenght < 0 )
{
//increase buffer size and try again.
}
printf("SQL Query = '%s'\n", buffer );
return buffer
}
</code></pre>