区别甚大!
例:
//------------------------------------------------------------------------------
int x = 0;
x += 1;
x += 3;
x += 2;
那么x = 6;
//------------------------------------------------------------------------------
int x = 0;
x =+ 1;
x =+ 3;
x =+ 2;
那么x = 2;
//------------------------------------------------------------------------------
虽然 “ x =+y ” 这种写法能通过编译,不会报错不会警告。但是切记其区别 !