time.html代码：
复制代码代码如下:Document
time.js代码：
复制代码代码如下:function add_num(a,b,c){if(c c++;}else{c=b;}if(c=0){c="0"+c;}return c;}function sub_num(a,b,c){if(c>a){c--;}else{c=b;}if(c=0){c="0"+c;}return c;}function add_hour(){var current_num=$("#hour").attr("value");current_num=add_num(23,0,current_num);$("#hour").attr("value",current_num);}function sub_hour(){var current_num=$("#hour").attr("value");current_num=sub_num(0,23,current_num);$("#hour").attr("value",current_num);}function add_minute(){var current_num=$("#minute").attr("value");current_num=add_num(59,0,current_num);$("#minute").attr("value",current_num);}function sub_minute(){var current_num=$("#minute").attr("value");current_num=sub_num(0,59,current_num);$("#minute").attr("value",current_num);}