日照项目的居民端小程序
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

32 lines
596 B

/* 操作数量:常用于商品数量操作
---------------------------------------------------------------*/
export default {
//增
increase(curr, max, min = 1) {
let n = parseInt(curr);
max = parseInt(max);
min = parseInt(min);
if (n >= max) {
n = max;
} else if (n < min) {
n = min;
} else {
n++;
}
return n;
},
//减
decrease(curr, max, min = 1) {
let n = parseInt(curr);
max = parseInt(max);
min = parseInt(min);
if (n > max) {
n = max;
} else if (n <= min) {
n = min;
} else {
n--;
}
return n;
}
};