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PHP lottery algorithm program code sharing, lottery algorithm program code_PHP tutorial
Article Introduction:PHP lottery algorithm program code sharing, lottery algorithm program code. PHP lottery algorithm program code sharing, lottery algorithm program code The requirements that the lottery algorithm needs to meet are as follows: 1. It can control the probability of winning 2. It has randomness 3. It is best to control the number of prizes
2016-07-12
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1017
Share jquery lottery applet implementation method (code)
Article Introduction:This article mainly introduces the relevant information of jquery lottery applet. Detailed ideas, implementation code and implementation renderings are provided here. Friends in need can refer to it.
2017-03-14
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1646
PHP rolling lottery code
Article Introduction:This article introduces the PHP rolling lottery code, which has certain reference value. Now I share it with you. Friends in need can refer to it.
2018-04-26
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2301
China Welfare Lottery 15 Pick 5 Lottery Results PHP result set paging implementation code
Article Introduction:China Welfare Lottery 15-choose 5 lottery results: China Welfare Lottery 15-choose 5 lottery results PHP result set paging implementation code: Copy the code as follows: <?php @mysql_connect("localhost", "root", "1981427") // Connect to the database server or die("Database server connection failed"); @mysql_select_db("test") //Select the database mydb or die("The database does not exist or is unavailable"); $query = @mysql_query("select * from tablen
2016-07-29
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2751
Detailed explanation of lottery program examples using jQuery, PHP and Mysql
Article Introduction:Lottery programs are widely used in real life. Due to different application scenarios, the lottery methods are also diverse. This article will use examples to explain how to use jQuery+PHP+MySQL to implement a simple lottery program similar to that commonly seen on TV.
2018-01-12
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2305
Examples of implementing lottery program with php, jQuery and Mysql
Article Introduction:In the previous article, we introduced to you the winning probability algorithm for implementing lottery programs in PHP. We also know that lottery programs are often encountered in our work, so today we will introduce to you how to implement lottery programs with PHP, jQuery and Mysql. Example!
2017-11-15
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2126
PHP random lottery code analysis based on prize percentage_PHP tutorial
Article Introduction:PHP random lottery code analysis based on prize percentage. /** * Probability algorithm * @param array $probability * @return integer|string */function get_rand($probability) { // The total probability accuracy of the probability array $max = array_sum($probability); foreac
2016-07-14
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1337
php 如何避免抽奖中的重复的兑换码
Article Introduction:
php 如何处理抽奖中的重复的兑换码做一个抽奖活动,设计表:
奖品表option:
oid 奖品ID
name 奖品名
兑换码表code:
oid 奖品ID
code 兑换码
status 是否使用 0:未使用 1:已使用
2016-06-13
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1069
Implementation of simple random lottery applet example code based on C#
Article Introduction:As the Spring Festival approaches, there are lottery activities in the streets and alleys. So how to implement a simple lottery program based on C#? The editor below will share the specific code with you. Friends in need can refer to it.
2017-03-13
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4326
php实现概率性随机抽奖代码
Article Introduction:php实现概率性随机抽奖代码
使用php根据奖品的权重来实现概率性PHP随机抽奖的代码
1、初始数据:
权重越大,抽取的几率越高
[奖品1, 权重 5], [ 奖品2, 权重6], [ 奖品3, 权重 7], [ 奖品4, 权重2]
2、处理步骤:
1)N = 5 + 6 + 7 + 2 = 20
2)然后取1-N的随机数M
3)界定各 奖品的权重范围值 奖品 1 : 1-5 ; 奖品2
2016-06-20
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1887