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92 lines
1.6 KiB
92 lines
1.6 KiB
4 years ago
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# thinkphp5 常用的一些扩展类库
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> 更新完善中
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> 以下类库都在`\\think\\helper`命名空间下
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## Str
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> 字符串操作
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```
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// 检查字符串中是否包含某些字符串
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Str::contains($haystack, $needles)
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// 检查字符串是否以某些字符串结尾
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Str::endsWith($haystack, $needles)
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// 获取指定长度的随机字母数字组合的字符串
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Str::random($length = 16)
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// 字符串转小写
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Str::lower($value)
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// 字符串转大写
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Str::upper($value)
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// 获取字符串的长度
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Str::length($value)
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// 截取字符串
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Str::substr($string, $start, $length = null)
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```
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## Hash
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> 创建密码的哈希
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```
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// 创建
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Hash::make($value, $type = null, array $options = [])
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// 检查
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Hash::check($value, $hashedValue, $type = null, array $options = [])
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```
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## Time
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> 时间戳操作
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```
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// 今日开始和结束的时间戳
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Time::today();
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// 昨日开始和结束的时间戳
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Time::yesterday();
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// 本周开始和结束的时间戳
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Time::week();
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// 上周开始和结束的时间戳
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Time::lastWeek();
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// 本月开始和结束的时间戳
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Time::month();
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// 上月开始和结束的时间戳
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Time::lastMonth();
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// 今年开始和结束的时间戳
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Time::year();
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// 去年开始和结束的时间戳
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Time::lastYear();
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// 获取7天前零点到现在的时间戳
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Time::dayToNow(7)
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// 获取7天前零点到昨日结束的时间戳
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Time::dayToNow(7, true)
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// 获取7天前的时间戳
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Time::daysAgo(7)
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// 获取7天后的时间戳
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Time::daysAfter(7)
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// 天数转换成秒数
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Time::daysToSecond(5)
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// 周数转换成秒数
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Time::weekToSecond(5)
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```
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