iOS adds different methods to different buttons

X_button = X_space + Line * (X_space + buttonwidth);

Y_button = y_space + row * (Y_margin + buttonheight);

NSString *title = dicarray[i][@ "title"];

NSString *imagestr = dicarray[i][@ "image"];

SEL selector = nsselectorfromstring (selectorarray[i]);//reflection mechanism, as long as you add a string of method names, you can get the method

Hhsetbutton *button = [Hhsetbutton buttonwithtype:uibuttontypecustom];

[button addtarget:self action:selector forcontrolevents:uicontroleventtouchupinside];

iOS adds different methods to different buttons