类调用声明 ~~~ $H_A = new http\api($T_C); $H_P = new http\plugin(); $H_E = new http\email(); $H_U = new http\upload(); $H_U = new http\upload($Sql); $H_U = new http\upload($Sql,$T_C); $H_U = new http\upload($Sql,$T_C,$I_U); ~~~