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WhiteHat101
Crypt

\think\captchaCaptcha

Summary

Methods
Properties
Constants
__construct()
check()
create()
No public properties found
No constants found
configure()
generate()
writeCurve()
writeNoise()
background()
$codeSet
$expire
$useZh
$zhSet
$useImgBg
$fontSize
$useCurve
$useNoise
$imageH
$imageW
$length
$fontttf
$bg
$math
N/A
No private methods found
$im
$color
$config
$session
N/A

Properties

$codeSet

$codeSet :

Type

$expire

$expire :

Type

$useZh

$useZh :

Type

$zhSet

$zhSet :

Type

$useImgBg

$useImgBg :

Type

$fontSize

$fontSize :

Type

$useCurve

$useCurve :

Type

$useNoise

$useNoise :

Type

$imageH

$imageH :

Type

$imageW

$imageW :

Type

$length

$length :

Type

$fontttf

$fontttf :

Type

$bg

$bg :

Type

$math

$math :

Type

$im

$im :

Type

$color

$color :

Type

Methods

__construct()

__construct(\think\Config  $config, \think\Session  $session)

架构方法 设置参数

Parameters

\think\Config $config
\think\Session $session

check()

check(string  $code) : boolean

验证验证码是否正确

Parameters

string $code

用户验证码

Returns

boolean —

用户验证码是否正确

create()

create(null|string  $config = null, boolean  $api = false) : \think\Response

输出验证码并把验证码的值保存的session中

Parameters

null|string $config
boolean $api

Returns

\think\Response

configure()

configure(string|null  $config = null)

配置验证码

Parameters

string|null $config

generate()

generate() : array

创建验证码

Throws

\Exception

Returns

array

writeCurve()

writeCurve()

画一条由两条连在一起构成的随机正弦函数曲线作干扰线(你可以改成更帅的曲线函数)

高中的数学公式咋都忘了涅，写出来 正弦型函数解析式：y=Asin(ωx+φ)+b 各常数值对函数图像的影响： A：决定峰值（即纵向拉伸压缩的倍数） b：表示波形在Y轴的位置关系或纵向移动距离（上加下减） φ：决定波形与X轴位置关系或横向移动距离（左加右减） ω：决定周期（最小正周期T=2π/∣ω∣）

writeNoise()

writeNoise()

画杂点 往图片上写不同颜色的字母或数字

background()

background()

绘制背景图片 注：如果验证码输出图片比较大，将占用比较多的系统资源