PHP编程：PHP仿微信发红包领红包效果

CREATE TABLE `red_packet` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`user_id` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '用户id',
`for_id` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '发放对象(用户或群id)',
`pay_status` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '支付状态：0未支付,1已支付',
`type` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '类型：1、个人,2、群普通,3、群拼手气',
`intro` varchar(255) NOT NULL DEFAULT '' COMMENT '简介',
`number` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '个数',
`total_money` decimal(10,2) unsigned NOT NULL DEFAULT '0.0' COMMENT '总金额',
`single_money` decimal(10,2) unsigned NOT NULL DEFAULT '0.0' COMMENT '单个红包金额(群拼手气时为0)',
`return_money` decimal(10,2) unsigned NOT NULL DEFAULT '0.0' COMMENT '退还金额',
`is_cli_handle` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '是否经过cli退款处理：0否,1是',
`expend_time` mediumint(1) unsigned NOT NULL DEFAULT '0' COMMENT '领取消耗时间',
`add_time` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '创建时间',
`pay_time` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '支付时间',
PRIMARY KEY (`id`),
KEY `user_id` (`user_id`),
KEY `pay_status` (`pay_status`),
KEY `pay_time` (`pay_time`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='红包发放表';
CREATE TABLE `red_packet_log` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`rp_id` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '红包id',
`user_id` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '领取人id',
`money` decimal(10,2) unsigned NOT NULL DEFAULT '0.0' COMMENT '领取金额',
`is_good` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '是否手气最佳：0否,1是',
`add_time` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '添加时间',
`update_time` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '领取时间',
PRIMARY KEY (`id`),
KEY `rp_id` (`rp_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='红包领取日志表';

# 引入中间状态
ALTER TABLE `red_packet`
MODIFY COLUMN `pay_status` tinyint(1) UNSIGNED NOT NULL DEFAULT 0 COMMENT '支付状态：0未支付,1已支付,2等待到账' AFTER `for_id`,
ADD COLUMN `pay_type` tinyint(1) NOT NULL DEFAULT 0 COMMENT '支付方式：0未知,1支付宝,2微信,3银联' AFTER `pay_status`,
ADD COLUMN `trade_no` varchar(30) NOT NULL DEFAULT '' COMMENT '第三方支付交易号' AFTER `pay_type`;
ALTER TABLE `red_packet_log`
ADD COLUMN `is_into_account` tinyint(1) UNSIGNED NOT NULL DEFAULT 0 COMMENT '是否到账：0否,1是' AFTER `is_good`;