Total Complexity | 41 |
Total Lines | 366 |
Duplicated Lines | 0 % |
Changes | 0 |
Complex classes like Response often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Response, and based on these observations, apply Extract Interface, too.
1 | <?php |
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17 | class Response |
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18 | { |
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19 | /** |
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20 | * 原始数据 |
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21 | * @var mixed |
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22 | */ |
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23 | protected $data; |
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24 | |||
25 | /** |
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26 | * 当前contentType |
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27 | * @var string |
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28 | */ |
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29 | protected $contentType = 'text/html'; |
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30 | |||
31 | /** |
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32 | * 字符集 |
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33 | * @var string |
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34 | */ |
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35 | protected $charset = 'utf-8'; |
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36 | |||
37 | /** |
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38 | * 状态码 |
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39 | * @var integer |
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40 | */ |
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41 | protected $code = 200; |
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42 | |||
43 | /** |
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44 | * 是否允许请求缓存 |
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45 | * @var bool |
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46 | */ |
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47 | protected $allowCache = true; |
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48 | |||
49 | /** |
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50 | * 输出参数 |
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51 | * @var array |
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52 | */ |
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53 | protected $options = []; |
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54 | |||
55 | /** |
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56 | * header参数 |
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57 | * @var array |
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58 | */ |
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59 | protected $header = []; |
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60 | |||
61 | /** |
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62 | * 输出内容 |
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63 | * @var string |
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64 | */ |
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65 | protected $content = null; |
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66 | |||
67 | /** |
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68 | * 架构函数 |
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69 | * @access public |
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70 | * @param mixed $data 输出数据 |
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71 | * @param int $code |
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72 | */ |
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73 | public function __construct($data = '', int $code = 200) |
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74 | { |
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75 | $this->data($data); |
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76 | $this->code = $code; |
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77 | |||
78 | $this->contentType($this->contentType, $this->charset); |
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79 | } |
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80 | |||
81 | /** |
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82 | * 创建Response对象 |
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83 | * @access public |
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84 | * @param mixed $data 输出数据 |
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85 | * @param string $type 输出类型 |
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86 | * @param int $code |
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87 | * @return Response |
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88 | */ |
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89 | public static function create($data = '', string $type = '', int $code = 200): Response |
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98 | } |
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99 | |||
100 | /** |
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101 | * 发送数据到客户端 |
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102 | * @access public |
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103 | * @return void |
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104 | * @throws \InvalidArgumentException |
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105 | */ |
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106 | public function send(): void |
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107 | { |
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108 | // 监听response_send |
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109 | Container::pull('event')->trigger('ResponseSend', $this); |
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110 | |||
111 | // 处理输出数据 |
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112 | $data = $this->getContent(); |
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113 | |||
114 | if (200 == $this->code && $this->allowCache) { |
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115 | $cache = Container::pull('request')->getCache(); |
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116 | if ($cache) { |
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117 | $this->header['Cache-Control'] = 'max-age=' . $cache[1] . ',must-revalidate'; |
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118 | $this->header['Last-Modified'] = gmdate('D, d M Y H:i:s') . ' GMT'; |
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119 | $this->header['Expires'] = gmdate('D, d M Y H:i:s', $_SERVER['REQUEST_TIME'] + $cache[1]) . ' GMT'; |
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120 | |||
121 | Container::pull('cache')->tag($cache[2])->set($cache[0], [$data, $this->header], $cache[1]); |
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122 | } |
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123 | } |
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124 | |||
125 | if (!headers_sent() && !empty($this->header)) { |
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126 | // 发送状态码 |
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127 | http_response_code($this->code); |
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128 | // 发送头部信息 |
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129 | foreach ($this->header as $name => $val) { |
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130 | header($name . (!is_null($val) ? ':' . $val : '')); |
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131 | } |
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132 | } |
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133 | |||
134 | Container::pull('cookie')->save(); |
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135 | |||
136 | $this->sendData($data); |
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137 | |||
138 | if (function_exists('fastcgi_finish_request')) { |
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139 | // 提高页面响应 |
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140 | fastcgi_finish_request(); |
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141 | } |
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142 | |||
143 | // 监听response_end |
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144 | Container::pull('event')->trigger('ResponseEnd', $this); |
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145 | |||
146 | // 清空当次请求有效的数据 |
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147 | if (!($this instanceof RedirectResponse)) { |
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148 | Container::pull('session')->flush(); |
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149 | } |
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150 | } |
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151 | |||
152 | /** |
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153 | * 处理数据 |
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154 | * @access protected |
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155 | * @param mixed $data 要处理的数据 |
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156 | * @return mixed |
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157 | */ |
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158 | protected function output($data) |
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159 | { |
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160 | return $data; |
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161 | } |
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162 | |||
163 | /** |
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164 | * 输出数据 |
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165 | * @access protected |
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166 | * @param string $data 要处理的数据 |
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167 | * @return void |
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168 | */ |
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169 | protected function sendData(string $data): void |
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170 | { |
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171 | echo $data; |
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172 | } |
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173 | |||
174 | /** |
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175 | * 输出的参数 |
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176 | * @access public |
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177 | * @param mixed $options 输出参数 |
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178 | * @return $this |
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179 | */ |
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180 | public function options(array $options = []) |
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181 | { |
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182 | $this->options = array_merge($this->options, $options); |
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183 | |||
184 | return $this; |
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185 | } |
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186 | |||
187 | /** |
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188 | * 输出数据设置 |
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189 | * @access public |
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190 | * @param mixed $data 输出数据 |
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191 | * @return $this |
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192 | */ |
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193 | public function data($data) |
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194 | { |
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195 | $this->data = $data; |
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196 | |||
197 | return $this; |
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198 | } |
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199 | |||
200 | /** |
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201 | * 是否允许请求缓存 |
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202 | * @access public |
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203 | * @param bool $cache 允许请求缓存 |
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204 | * @return $this |
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205 | */ |
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206 | public function allowCache(bool $cache) |
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211 | } |
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212 | |||
213 | /** |
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214 | * 设置响应头 |
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215 | * @access public |
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216 | * @param array $header 参数 |
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217 | * @return $this |
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218 | */ |
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219 | public function header(array $header = []) |
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220 | { |
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221 | $this->header = array_merge($this->header, $header); |
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222 | |||
223 | return $this; |
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224 | } |
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225 | |||
226 | /** |
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227 | * 设置页面输出内容 |
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228 | * @access public |
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229 | * @param mixed $content |
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230 | * @return $this |
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231 | */ |
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232 | public function content($content) |
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233 | { |
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234 | if (null !== $content && !is_string($content) && !is_numeric($content) && !is_callable([ |
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235 | $content, |
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236 | '__toString', |
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237 | ]) |
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238 | ) { |
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239 | throw new \InvalidArgumentException(sprintf('variable type error: %s', gettype($content))); |
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240 | } |
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241 | |||
242 | $this->content = (string) $content; |
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243 | |||
244 | return $this; |
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245 | } |
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246 | |||
247 | /** |
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248 | * 发送HTTP状态 |
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249 | * @access public |
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250 | * @param integer $code 状态码 |
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251 | * @return $this |
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252 | */ |
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253 | public function code(int $code) |
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254 | { |
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255 | $this->code = $code; |
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256 | |||
257 | return $this; |
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258 | } |
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259 | |||
260 | /** |
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261 | * LastModified |
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262 | * @access public |
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263 | * @param string $time |
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264 | * @return $this |
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265 | */ |
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266 | public function lastModified(string $time) |
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267 | { |
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268 | $this->header['Last-Modified'] = $time; |
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269 | |||
270 | return $this; |
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271 | } |
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272 | |||
273 | /** |
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274 | * Expires |
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275 | * @access public |
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276 | * @param string $time |
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277 | * @return $this |
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278 | */ |
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279 | public function expires(string $time) |
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280 | { |
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281 | $this->header['Expires'] = $time; |
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282 | |||
283 | return $this; |
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284 | } |
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285 | |||
286 | /** |
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287 | * ETag |
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288 | * @access public |
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289 | * @param string $eTag |
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290 | * @return $this |
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291 | */ |
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292 | public function eTag(string $eTag) |
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293 | { |
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294 | $this->header['ETag'] = $eTag; |
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295 | |||
296 | return $this; |
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297 | } |
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298 | |||
299 | /** |
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300 | * 页面缓存控制 |
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301 | * @access public |
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302 | * @param string $cache 状态码 |
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303 | * @return $this |
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304 | */ |
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305 | public function cacheControl(string $cache) |
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310 | } |
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311 | |||
312 | /** |
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313 | * 页面输出类型 |
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314 | * @access public |
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315 | * @param string $contentType 输出类型 |
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316 | * @param string $charset 输出编码 |
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317 | * @return $this |
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318 | */ |
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319 | public function contentType(string $contentType, string $charset = 'utf-8') |
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320 | { |
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321 | $this->header['Content-Type'] = $contentType . '; charset=' . $charset; |
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322 | |||
323 | return $this; |
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324 | } |
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325 | |||
326 | /** |
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327 | * 获取头部信息 |
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328 | * @access public |
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329 | * @param string $name 头部名称 |
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330 | * @return mixed |
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331 | */ |
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332 | public function getHeader(string $name = '') |
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333 | { |
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334 | if (!empty($name)) { |
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335 | return $this->header[$name] ?? null; |
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336 | } |
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337 | |||
338 | return $this->header; |
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339 | } |
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340 | |||
341 | /** |
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342 | * 获取原始数据 |
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343 | * @access public |
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344 | * @return mixed |
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345 | */ |
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346 | public function getData() |
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347 | { |
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348 | return $this->data; |
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349 | } |
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350 | |||
351 | /** |
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352 | * 获取输出数据 |
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353 | * @access public |
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354 | * @return string |
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355 | */ |
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356 | public function getContent(): string |
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373 | } |
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374 | |||
375 | /** |
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376 | * 获取状态码 |
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377 | * @access public |
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378 | * @return integer |
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379 | */ |
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380 | public function getCode(): int |
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381 | { |
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382 | return $this->code; |
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383 | } |
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384 | } |
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385 |