搜索
首页后端开发php教程Laravel中的日志与上传,_PHP教程

Laravel中的日志与上传,

  PHP中的框架众多,我自己就接触了好几个。大学那会啥也不懂啥也不会,拿了一个ThinkPHP学了。也许有好多人吐槽TP,但是个人感觉不能说哪个框架好,哪个框架不好,再不好的框架你能把源码读上一遍,框架的设计思想理解了也能学到好多东西。况且有好多东西自己还不理解,所以认真学习一个框架这还是可以学不少东西的。

  还是先说说Laravel吧,现在已经到5.2了。就我自己来说之前没有接触过laravel,但是学习过laravel之后感觉这个框架确实不错,并且老外用的不亦乐乎。他的开发社区还可以,文档比较齐全,但是官网文档不咋地,从上面读不出多少东西(自己感觉),好多东西还得阅读源码,对于我这种英语不好的人还更喜欢中文文档(以后得改)。Laravel是使用Composer(https://getcomposer.org)来管理依赖,确实比较方便,但是因为镜像被墙的原因在访问或者更新的时候比较慢(几乎失败),这里有解决办法:http://pkg.phpcomposer.com/#tip1。

  最近因为工作需要项目要重构(重构原因不用多说,大家懂得),需要迁移到新的框架上。Laravel是一个不错的框架,强大的路由,便捷的配置,高可用的模块依赖,确实为开发省了不少力气。考虑到我们这个项目主要是接口部分,对性能有一定的要求(但是不是苛刻),并且路由不能改,要兼容老的逻辑,所以Laravel是首选,但是有一个问题就是我们是写接口,那么要依赖的东西就少很多,比如view层几乎用不到,还有就是测试模块,上传模块(有图床),本地化模块文件系统等也用不到,所以使用Laravel还是比较浪费的,说白了他比较重。所以我们就考虑了基于laravel的一个框架Lumen,相比Laravel这个全栈框架而言Lumen精简了不少,并且Lumen是面向Api的,所以最后就选择Lumen了。

  laravel也不是全能的有优点也有缺点,比如他的依赖太多,可以看一下安装好的laravel框架默认的依赖源包就有30M左右,确实有点大。直到今天在使用过程中发现Lumen也是有点力不从心,随着业务逻辑越来越复杂,访问速度各方面也下来了,我们有时候考虑 slim 等更轻量级的,其实吧新浪这边不少人是鸟哥粉,不少人推崇yaf,yaf确实牛逼,实践证明快的不止一点两点,估计以后还得迁移到yaf。这段时间PHP7不是出了吗,但是测试结果表明Bug不少,把接口迁移到7上应该有不少的性能提升,据说是提高100%,还没敢尝试,等稳定了再说吧!

  说了不少废话,下面我就介绍一下Laravel中的日志与上传,慢慢来,这篇文章先写一部分,因为Laravel东西比较多,其他的我会慢慢写出来。我就说说自己在使用过程中遇到的问题,遇到的坑,帮助大家学习。

一、日志

1、说明:

日志重要性不言而喻,我们这边的日志是人工推荐,兴趣爱好,推荐位的依赖。做推荐的同学比写接口的还要多,日志出了问题,推荐就会不准确甚至无法推荐,可见日志的重要性。

Laravel框架初始化好了以后错误和异常处理已经默认配置好了,他的日志是基于一款很好用的日志管理工具Monolog,

  首先说一下Monolog,是php下比较全又容易扩展的记录日志组件。其中Symfony 、 CakePHP等知名php框架都内置了Monolog,有兴趣的可以看一下。每个Logger实例都有一个通道和日志处理器栈。每当你添加一条日志记录,它会被发送到日志处理器栈。 你可以创建很多Logger每个Logger定义一个通道(db,请求,路由),每个Logger有很多日志处理器。这些通道会过滤日志。每个日志处理器都有一个Formatter(内置的日志显示格式处理器)。你还可以设定日志级别。(官网解释)

  日志配置:Laravel目前支持四种日志处理器,

<span>1</span> <span>S</span><span><span>ingle</span>(将日志记录到单个文件中。该日志处理器对应,对应StreamHandler),
</span><span>2</span> 
<span>3</span> <span>D</span><span><span>aily</span> (以日期为单位将进行日志记录对应RotatingFileHandler)
</span><span>4</span> 
<span>5</span> <span>S</span><span>yslog</span><span>(将日志记录到Syslog中。对应SysLogHandler)
</span><span>6</span> 
<span>7</span> <span>Errorlog</span>(将日志记录到PHP的error_log中。对应ErrorLogHandler)

明白了日志的处理方式我们就可以设置自己需要的方式,在 config/app.php中的对应项设置(默认的):

<span>1</span> 'log' => 'single',

2、使用Log记录日志

Laravel提供了Log方法记录日志,Log实际上使用的 Illuminate\Log\Writer,应为在其中 Writer 的构造函数中注入了Monolog\Logger。生成的日志文件存放在storage/logs目录下。

如下:

<span>1</span> <span>Log</span>::emergency(<span>$error</span>); <span>//</span><span>紧急,如系统挂掉</span>
<span>2</span> <span>Log</span>::alert(<span>$error</span>);     <span>//</span><span>需要立即采取行动,如数据库异常等</span>
<span>3</span> <span>Log</span>::critical(<span>$error</span>);  <span>//</span><span>严重问题,如异常</span>
<span>4</span> <span>Log</span>::error(<span>$error</span>);     <span>//</span><span>运行时错误,不需要立即处理但需要被记录和监控</span>
<span>5</span> <span>Log</span>::warning(<span>$error</span>);   <span>//</span><span>警告但不是错误,比如使用了被废弃的API</span>
<span>6</span> <span>Log</span>::notice(<span>$error</span>);    <span>//</span><span>普通但值得注意的事件</span>
<span>7</span> <span>Log</span>::info(<span>$error</span>);      <span>//</span><span>感兴趣的事件,比如登录、退出</span>
<span>8</span> <span>Log</span>::debug(<span>$error</span>);     <span>//</span><span>详细的调试信息</span>

3、按照自己的需求记录日志

Laravel中如果按照原来的配置貌似不能按照自己的需求记录日志,我就按照自己的需求写了一个,供大家参考,当然你可以跳过他提供的日志处理方法Log,在容器中把 Monolog对象写入容器,可以写成单例的形式,这样在加载的时候只实例化一次,然后按照monolog来配置自己想要的记录日志的方法。

<span> 1</span> <span>class</span><span> Save_log
</span><span> 2</span> <span>{
</span><span> 3</span>     <span>//</span><span>存放每个级别实例</span>
<span> 4</span>     <span>private</span> <span>static</span> <span>$obj_log</span> =<span> [];
</span><span> 5</span> 
<span> 6</span>     <span>//</span><span>日志类型映射</span>
<span> 7</span>     <span>private</span> <span>static</span> <span>$classify_arr</span> = ['default', 'debug_log','error_log'<span>];
</span><span> 8</span> 
<span> 9</span>     <span>/*</span><span>*
</span><span>10</span> <span>     * 单利初始化以及调取对象
</span><span>11</span> <span>     * @param $classify 日志的的频道,对应不同的目录
</span><span>12</span> <span>     * @param $max_num  日志记录的最大数量
</span><span>13</span>      <span>*/</span>
<span>14</span>     <span>public</span> <span>static</span> <span>function</span> get_log_instance(<span>$classify</span> = 'default', <span>$max_num</span> = 0<span>)
</span><span>15</span> <span>    {
</span><span>16</span>         <span>if</span>(<span>empty</span>(self::<span>$obj_log</span>[<span>$classify</span><span>])) {
</span><span>17</span>             self::<span>$obj_log</span>[<span>$classify</span>] = <span>new</span> Writer(<span>new</span> Logger(<span>$classify</span><span>));
</span><span>18</span>             self::<span>$obj_log</span>[<span>$classify</span>]->useDailyFiles(self::get_path(<span>$classify</span>), <span>$max_num</span><span>);
</span><span>19</span> <span>        }
</span><span>20</span>         <span>return</span> self::<span>$obj_log</span>[<span>$classify</span><span>];
</span><span>21</span> <span>    }
</span><span>22</span> 
<span>23</span>     <span>/*</span><span>*
</span><span>24</span> <span>     * 映射对应的目录
</span><span>25</span> <span>     * @param $classify 日志的不同的频道
</span><span>26</span>      <span>*/</span>
<span>27</span>     <span>private</span> <span>static</span> <span>function</span> get_path(<span>$classify</span><span>)
</span><span>28</span> <span>    {
</span><span>29</span>         <span>$root_path</span> =<span> public_path();
</span><span>30</span>         <span>$path</span> = <span>$root_path</span> . '/../../logs/'<span>; //可以是自己的任意路径
</span><span>31</span>         <span>$log_arr</span> = self::<span>$classify_arr</span><span>;
</span><span>32</span>         <span>if</span>(!<span>empty</span>(<span>$log_arr</span>) && !<span>empty</span>(<span>$classify</span><span>)) {
</span><span>33</span>             <span>if</span>(<span>in_array</span>(<span>$classify</span>, <span>$log_arr</span><span>)) {
</span><span>34</span>                 <span>return</span> <span>$path</span> . <span>$classify</span>. '/' . <span>$classify</span> . '.log'<span>;
</span><span>35</span> <span>            }
</span><span>36</span> <span>        }
</span><span>37</span>         <span>return</span> <span>$path</span> . 'default/default.log'<span>;
</span><span>38</span> <span>    }
</span><span>39</span> 
<span>40</span>     <span>/*</span><span>*
</span><span>41</span> <span>     * 映射对应的目录
</span><span>42</span> <span>     * @param $func 调用的方法
</span><span>43</span> <span>     * @param $arguments 参数,包括数据和日志等级
</span><span>44</span>      <span>*/</span>
<span>45</span>     <span>public</span> <span>static</span> <span>function</span> __callStatic(<span>$func</span>, <span>$arguments</span><span>)
</span><span>46</span> <span>    {
</span><span>47</span>         <span>$get_obj</span> = self::get_log_instance(<span>$func</span><span>);
</span><span>48</span>         <span>if</span>(<span>empty</span>(<span>$get_obj</span><span>)) {
</span><span>49</span>             <span>log</span>::error('Save Log Error!'<span>);
</span><span>50</span> <span>        }
</span><span>51</span>         <span>if</span>(<span>empty</span>(<span>$arguments</span>) || !<span>is_array</span>(<span>$arguments</span>) || !<span>isset</span>(<span>$arguments</span>[0<span>])) {
</span><span>52</span>             <span>$get_obj</span>->info('No Data Save!'<span>);
</span><span>53</span>         } <span>else</span> <span>if</span>(!<span>isset</span>(<span>$arguments</span>[1<span>])) {
</span><span>54</span>             <span>$get_obj</span>->info(<span>$arguments</span>[0<span>]);
</span><span>55</span>         } <span>else</span><span> {
</span><span>56</span>             <span>$get_obj</span>->{<span>$arguments</span>[1]}(<span>$arguments</span>[0<span>]);
</span><span>57</span> <span>        }
</span><span>58</span> <span>    }
</span><span>59</span> }

使用的时候可以指定,如下:

<span>1</span> Save_log::<span>error_log</span>(<span>$info</span>, 'error'<span>);
</span><span>2</span> Save_log::debug_log(<span>$info</span>);

日志内容如下:

二、上传文件。

Laravel中的上传文件是基于Flysystem提供的文件系统来实现上传,删除,移动。他支持多种驱动,还有一个值得看的云存储,在SAE上需要用到。

文件系统配置位于Config/filesystems.php,我使用的试本地驱动。Laravel中的上传目录有两个:public和Storage两个,有人说这两个一样,其实是有区别的,应该说是各有好处,如果放在public中,服务器可以直接控制访问,方便效率高,放在Storage中可以加上用户控制比如权限等。

上传需要的函数如下:

判断是否进行了上传,是否存在文件:

<span>1</span> <span>$request</span>->hasFile('file')

判断上传是否出错:

<span>1</span> <span>$file</span> = <span>$request</span>-><span>file</span>('file'<span>);
</span><span>2</span> <span>//</span><span>判断文件上传过程中是否出错</span>
<span>3</span> <span>if</span>(!<span>$file</span>-><span>isValid()) {
</span><span>4</span>      <span>exit</span>('文件上传出错!'<span>);
</span><span>5</span> }

确定上传:

<span>1</span> <span>$bytes</span> = Storage::<span>put(
</span><span>2</span>       <span>$savePath</span>,
<span>3</span>       <span>file_get_contents</span>(<span>$file</span>-><span>getRealPath())
</span><span>4</span> );

你也可以使用:

<span>$path</span> = <span>$file</span> -> move('storage/uploads');

生成缩略图

Laravel木有提供函数生成缩略图,但是我们可以借助强大的Composer来引入图片处理库 Integration/Image

在项目根目录中的composer.json中的require中添加:"intervention/image": "dev-master",如下图:

然后在config/app.php中providers数组中添加:

<span>1</span> Intervention\Image\ImageServiceProvider::<span>class</span>

在aliases数组中添加别名:

<span>1</span> 'Image'     => Intervention\Image\Facades\Image::<span>class</span>,

这样就可以使用了,在类文件中添加:

<span>1</span> <span>use</span> Image;

下面是添加水印并且生成缩略图:

<span>$Image</span>->text('@ u/'. <span>$user_id</span>, <span>$news_width</span> - 40 - <span>$length</span> * 10, <span>$news_height</span> - 24, <span>function</span>(<span>$font</span><span>) {
       </span><span>$font</span>-><span>file</span>('public/foos.ttf'<span>);
       </span><span>$font</span>->size(14<span>);
       </span><span>$font</span>->color('#ffffff'<span>);
 });</span>

最后附上整个源码,其中生成缩略图部分可以抽象出来,因为有好几个地方都需要用到,并且水印还有看图片大小等等。

<span>  1</span> <span>/*</span><span>*
</span><span>  2</span> <span> * 上传文件
</span><span>  3</span> <span> * @param  Object Request
</span><span>  4</span> <span> * @return Json result
</span><span>  5</span>  <span>*/</span>
<span>  6</span> <span>public</span> <span>function</span> upload_file(Request <span>$request</span><span>)
</span><span>  7</span> <span>{
</span><span>  8</span>     <span>$user_id</span> = <span>$request</span>->get('user_id'<span>);
</span><span>  9</span>     <span>$width</span> = <span>$request</span>->get('width'<span>);
</span><span> 10</span>     <span>$height</span> = <span>$request</span>->get('height'<span>);
</span><span> 11</span>     <span>$upload_type</span> = <span>$request</span>->get('upload_type'<span>);
</span><span> 12</span>     <span>$watermark</span> = <span>$request</span>->get('watermark'<span>);
</span><span> 13</span> 
<span> 14</span>     <span>//</span><span>参数检查</span>
<span> 15</span>     <span>if</span>(<span>empty</span>(<span>$user_id</span><span>)) {
</span><span> 16</span>         <span>return</span> response()->json(['code' => 1001, 'msg' => '参数错误'<span>]);
</span><span> 17</span> <span>    }
</span><span> 18</span> 
<span> 19</span>     <span>//</span><span>得到上传文件名</span>
<span> 20</span>     <span>if</span>(!<span>empty</span>(<span>$_FILES</span><span>)) {
</span><span> 21</span>         <span>$key_arr</span> =  <span>array_keys</span>(<span>$_FILES</span><span>);
</span><span> 22</span>         <span>$file_key</span> = <span>$key_arr</span>[0<span>];
</span><span> 23</span> <span>    }
</span><span> 24</span>     
<span> 25</span>     <span>$file_key</span> = !<span>isset</span>(<span>$file_key</span>) || <span>empty</span>(<span>$file_key</span>) ? 'fileselect' : <span>$file_key</span><span>;
</span><span> 26</span> 
<span> 27</span>     <span>if</span>(!<span>$request</span>->hasFile(<span>$file_key</span><span>)) {
</span><span> 28</span>         <span>return</span> response()->json(['code' => 1002, 'msg' => '上传文件为空'<span>]);
</span><span> 29</span> <span>    }
</span><span> 30</span> 
<span> 31</span>     <span>$upload_files</span> = <span>$request</span>-><span>file</span><span>();
</span><span> 32</span>     <span>if</span>(<span>empty</span>(<span>$upload_files</span>) || !<span>is_array</span>(<span>$upload_files</span><span>)) {
</span><span> 33</span>         <span>return</span> response()->json(['code' => 1003, 'msg' => '上传失败'<span>]);
</span><span> 34</span> <span>    }
</span><span> 35</span> 
<span> 36</span>     <span>//</span><span>兼容单文件上传</span>
<span> 37</span>     <span>if</span>(Utils::arrayLevel(<span>$upload_files</span>) < 2<span>) {
</span><span> 38</span>         <span>$files</span>[<span>$file_key</span>][0] = <span>$upload_files</span>[<span>$file_key</span><span>];
</span><span> 39</span>     } <span>else</span><span> {
</span><span> 40</span>         <span>$files</span> = <span>$upload_files</span><span>;
</span><span> 41</span> <span>    }
</span><span> 42</span> 
<span> 43</span>     <span>if</span>(<span>$upload_type</span> == 'userphoto' && <span>count</span>(<span>$files</span>[<span>$file_key</span>]) > 1<span>) {
</span><span> 44</span>         <span>return</span> response()->json(['code' => 1004, 'msg' => '头像只能上传一张'<span>]);
</span><span> 45</span> <span>    }
</span><span> 46</span> 
<span> 47</span>     <span>if</span>(<span>count</span>(<span>$files</span>[<span>$file_key</span>]) ><span> MAX_UPLOAD_FILE) {
</span><span> 48</span>         <span>return</span> response()->json(['code' => 1005, 'msg' => '大于最大上传数限制'<span>]);
</span><span> 49</span> <span>    }
</span><span> 50</span> 
<span> 51</span>     <span>//</span><span>过滤大于MAX_FILE_SIZE的情况</span>
<span> 52</span>     <span>foreach</span> (<span>$files</span>[<span>$file_key</span>] <span>as</span> <span>$key</span> => <span>$file</span><span>) {
</span><span> 53</span>         <span>if</span>(<span>$file</span>-> getClientSize() > MAX_FILE_SIZE * 1024 * 1024<span>) {
</span><span> 54</span>             <span>return</span> response()->json(['code' => 1006, 'msg' => '文件大小不能超过'<span>]);
</span><span> 55</span> <span>        }
</span><span> 56</span> <span>    }
</span><span> 57</span> 
<span> 58</span>     <span>$file_info</span> =<span> [];
</span><span> 59</span>     <span>$length</span> = <span>strlen</span>(<span>$user_id</span> . ''<span>);
</span><span> 60</span>     <span>//</span><span>兼容批量上传</span>
<span> 61</span>     <span>foreach</span> (<span>$files</span>[<span>$file_key</span>] <span>as</span> <span>$key</span> => <span>$file</span><span>) {
</span><span> 62</span>         <span>if</span>(!<span>$file</span>-><span>isValid()) {
</span><span> 63</span>             <span>return</span> response()->json(['code' => 1007, 'msg' => '上传出错'<span>]);
</span><span> 64</span> <span>        }
</span><span> 65</span> 
<span> 66</span>         <span>if</span>(<span>$upload_type</span> == 'userpic'<span>) {
</span><span> 67</span>             <span>$file_dir</span> = 'userpic'<span>;
</span><span> 68</span>         } <span>else</span><span> {
</span><span> 69</span>             <span>$type</span> = <span>$file</span>-><span>getMimeType();
</span><span> 70</span>             <span>if</span>(<span>empty</span>(<span>$type</span>) && !<span>is_array</span>(<span>$type</span><span>)) {
</span><span> 71</span>                 <span>return</span> response()->json(['code' => 1008, 'msg' => '得到文件类型出错'<span>]);
</span><span> 72</span> <span>            }
</span><span> 73</span> 
<span> 74</span>             <span>//</span><span>映射文件类型</span>
<span> 75</span>             <span>$type_arr</span> = <span>explode</span>("/", <span>$type</span><span>);
</span><span> 76</span>             <span>switch</span>(<span>$type_arr</span>[0<span>]){
</span><span> 77</span>                 <span>case</span> "image"      : <span>$file_dir</span> = "image"; <span>break</span><span>;
</span><span> 78</span>                 <span>case</span> "video"      : <span>$file_dir</span> = "video"; <span>break</span><span>;
</span><span> 79</span>                 <span>case</span> "audio"      : <span>$file_dir</span> = "voice"; <span>break</span><span>;
</span><span> 80</span>                 <span>case</span> "text"       : <span>$file_dir</span> = "doc";   <span>break</span><span>;
</span><span> 81</span>                 <span>case</span> "application": <span>$file_dir</span> = "doc";   <span>break</span><span>;
</span><span> 82</span>                 <span>default</span>           : <span>$file_dir</span> = "other"; <span>break</span><span>;
</span><span> 83</span> <span>            }
</span><span> 84</span> <span>        }
</span><span> 85</span> 
<span> 86</span>         <span>//</span><span>文件后缀</span>
<span> 87</span>         <span>$postfix</span> = <span>$file</span>-><span>getClientOriginalExtension();
</span><span> 88</span>         <span>$save_dir</span> =<span> UPLOAD_FILE_PATH;
</span><span> 89</span>         <span>$file_date</span> = <span>date</span>('Ym'<span>);
</span><span> 90</span>         <span>$file_name</span> = <span>$file_dir</span> . '_' . <span>$file_date</span> . '_' . <span>rand</span>(111111, 999999) . <span>$user_id</span><span>;
</span><span> 91</span>         <span>$save_name</span> = <span>$file_name</span> . '.' . <span>$postfix</span><span>;
</span><span> 92</span>         <span>$save_path</span> = <span>$file_dir</span> . '/' . <span>$file_date</span> . '/' . <span>$save_name</span><span>;
</span><span> 93</span>         Storage::<span>put(
</span><span> 94</span>             <span>$save_path</span>, 
<span> 95</span>             <span>file_get_contents</span>(<span>$file</span>-><span>getRealPath())
</span><span> 96</span> <span>        );
</span><span> 97</span>         <span>if</span>(!Storage::exists(<span>$save_path</span><span>)) {
</span><span> 98</span>             <span>return</span> response()->json(['code' => 1009, 'msg' => '保存文件失败'<span>]);
</span><span> 99</span> <span>        }
</span><span>100</span> 
<span>101</span>         <span>//</span><span>生成缩略图</span>
<span>102</span>         <span>if</span>(<span>$file_dir</span> == 'image' && (!<span>empty</span>(<span>$width</span>) || !<span>empty</span>(<span>$height</span><span>))) {
</span><span>103</span>             <span>$Image</span> = Image::make(<span>$save_dir</span> . <span>$save_path</span><span>);
</span><span>104</span>             <span>$img_width</span> = <span>$Image</span>-><span>width();
</span><span>105</span>             <span>$img_height</span> = <span>$Image</span>-><span>height();
</span><span>106</span> 
<span>107</span>             <span>//</span><span>如果有一个为空,则与另一个相等;</span>
<span>108</span>             <span>if</span>(<span>empty</span>(<span>$width</span><span>)) {
</span><span>109</span>                 <span>//</span><span>传入的高度如果比实际高度大,就取实际高度</span>
<span>110</span>                 <span>$height</span> = <span>$img_height</span> < <span>$height</span> ? <span>$img_height</span> : <span>$height</span><span>;
</span><span>111</span>                 <span>$width</span> = <span>$height</span><span>;
</span><span>112</span>             } <span>else</span> <span>if</span>(<span>empty</span>(<span>$height</span><span>)) {
</span><span>113</span>                 <span>$width</span> = <span>$img_width</span> < <span>$width</span> ? <span>$img_width</span> : <span>$width</span><span>;
</span><span>114</span>                 <span>$height</span> = <span>$width</span><span>;
</span><span>115</span>             } <span>else</span><span> {
</span><span>116</span>                 <span>$height</span> = <span>$img_height</span> < <span>$height</span> ? <span>$img_height</span> : <span>$height</span><span>;
</span><span>117</span>                 <span>$width</span> = <span>$img_width</span> < <span>$width</span> ? <span>$img_width</span> : <span>$width</span><span>;
</span><span>118</span> <span>            }
</span><span>119</span> 
<span>120</span>             <span>//</span><span>拼接缩略图路径</span>
<span>121</span>             <span>$Image</span>->resize(<span>$width</span>, <span>$height</span><span>);
</span><span>122</span>             <span>$save_name_s</span> = <span>$file_name</span> . '_s.' . <span>$postfix</span><span>;
</span><span>123</span>             <span>$save_path_s</span> = <span>$save_dir</span> . <span>$file_dir</span> . '/' . <span>$file_date</span> . '/' . <span>$save_name_s</span><span>;
</span><span>124</span>             <span>$file_path_s</span> = <span>$request</span>->root() . '/' . <span>$save_path_s</span><span>;
</span><span>125</span> 
<span>126</span>             <span>if</span>(<span>$watermark</span> != 1<span>) {
</span><span>127</span>                 <span>//</span><span>添加缩略图水印</span>
<span>128</span>                 <span>$news_width</span> = <span>$Image</span>-><span>width();
</span><span>129</span>                 <span>$news_height</span> = <span>$Image</span>-><span>height();
</span><span>130</span>                 <span>if</span>(<span>$news_width</span> > 100<span>) {
</span><span>131</span>                     <span>$Image</span>->text('@ u/'. <span>$user_id</span>, <span>$news_width</span> - 40 - <span>$length</span> * 10, <span>$news_height</span> - 24, <span>function</span>(<span>$font</span><span>) {
</span><span>132</span>                         <span>$font</span>-><span>file</span>('public/foos.ttf'<span>);
</span><span>133</span>                         <span>$font</span>->size(14<span>);
</span><span>134</span>                         <span>$font</span>->color('#ffffff'<span>);
</span><span>135</span> <span>                    });
</span><span>136</span> <span>                }
</span><span>137</span> <span>            }
</span><span>138</span> 
<span>139</span>             <span>//</span><span>保存缩略图</span>
<span>140</span>             <span>$Image</span>->save(<span>$save_path_s</span>, 100<span>);
</span><span>141</span>             <span>$file_size_s</span> = <span>round</span>(<span>$Image</span>-><span>filesize</span>() / 1024 ,2) . 'K'<span>;
</span><span>142</span> <span>        }
</span><span>143</span> 
<span>144</span>         <span>$file_path</span> = <span>$request</span>->root() . '/' . <span>$save_dir</span> . <span>$save_path</span><span>;
</span><span>145</span>         <span>$file_size</span> = <span>round</span>(<span>$file</span>-> getClientSize() / 1024 ,2) . 'K'<span>;
</span><span>146</span>         <span>$file_info</span>[] = <span>compact</span><span>(
</span><span>147</span>             'save_name', 'file_size', 'file_path', 'save_name_s', 'file_size_s', 'file_path_s'
<span>148</span> <span>        );
</span><span>149</span> <span>    }
</span><span>150</span> 
<span>151</span>     <span>if</span>(<span>empty</span>(<span>$file_info</span><span>)) {
</span><span>152</span>         <span>return</span> response()->json(['code' => 1010, 'msg' => '异常出错'<span>]);
</span><span>153</span>     } <span>else</span><span> {
</span><span>154</span>         <span>return</span> response()->json(['code' => 0, 'msg' => '', 'data' => <span>$file_info</span><span>]);
</span><span>155</span> <span>    }
</span><span>156</span> }

结束语:

以上是我学习中遇到的一部分问题,不对之处欢迎指正,这篇文章只是说了日志和上传,以后会持续更新,包括路由,中间件,容器等等,还有好多需要说的。另外会同步更新到我的个人网站:www.zhaoyafei.cn,欢迎访问

转载注明出处

 

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/1084383.htmlTechArticleLaravel中的日志与上传, PHP中的框架众多,我自己就接触了好几个。大学那会啥也不懂啥也不会,拿了一个ThinkPHP学了。也许有好多人吐槽...
声明
本文内容由网友自发贡献,版权归原作者所有,本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容,请联系admin@php.cn
laravel单点登录方法详解laravel单点登录方法详解Jun 15, 2022 am 11:45 AM

本篇文章给大家带来了关于laravel的相关知识,其中主要介绍了关于单点登录的相关问题,单点登录是指在多个应用系统中,用户只需要登录一次就可以访问所有相互信任的应用系统,下面一起来看一下,希望对大家有帮助。

一起来聊聊Laravel的生命周期一起来聊聊Laravel的生命周期Apr 25, 2022 pm 12:04 PM

本篇文章给大家带来了关于laravel的相关知识,其中主要介绍了关于Laravel的生命周期相关问题,Laravel 的生命周期从public\index.php开始,从public\index.php结束,希望对大家有帮助。

laravel中guard是什么laravel中guard是什么Jun 02, 2022 pm 05:54 PM

在laravel中,guard是一个用于用户认证的插件;guard的作用就是处理认证判断每一个请求,从数据库中读取数据和用户输入的对比,调用是否登录过或者允许通过的,并且Guard能非常灵活的构建一套自己的认证体系。

laravel中asset()方法怎么用laravel中asset()方法怎么用Jun 02, 2022 pm 04:55 PM

laravel中asset()方法的用法:1、用于引入静态文件,语法为“src="{{asset(‘需要引入的文件路径’)}}"”;2、用于给当前请求的scheme前端资源生成一个url,语法为“$url = asset('前端资源')”。

实例详解laravel使用中间件记录用户请求日志实例详解laravel使用中间件记录用户请求日志Apr 26, 2022 am 11:53 AM

本篇文章给大家带来了关于laravel的相关知识,其中主要介绍了关于使用中间件记录用户请求日志的相关问题,包括了创建中间件、注册中间件、记录用户访问等等内容,下面一起来看一下,希望对大家有帮助。

laravel中间件基础详解laravel中间件基础详解May 18, 2022 am 11:46 AM

本篇文章给大家带来了关于laravel的相关知识,其中主要介绍了关于中间件的相关问题,包括了什么是中间件、自定义中间件等等,中间件为过滤进入应用的 HTTP 请求提供了一套便利的机制,下面一起来看一下,希望对大家有帮助。

laravel的fill方法怎么用laravel的fill方法怎么用Jun 06, 2022 pm 03:33 PM

在laravel中,fill方法是一个给Eloquent实例赋值属性的方法,该方法可以理解为用于过滤前端传输过来的与模型中对应的多余字段;当调用该方法时,会先去检测当前Model的状态,根据fillable数组的设置,Model会处于不同的状态。

laravel路由文件在哪个目录里laravel路由文件在哪个目录里Apr 28, 2022 pm 01:07 PM

laravel路由文件在“routes”目录里。Laravel中所有的路由文件定义在routes目录下,它里面的内容会自动被框架加载;该目录下默认有四个路由文件用于给不同的入口使用:web.php、api.php、console.php等。

See all articles

热AI工具

Undresser.AI Undress

Undresser.AI Undress

人工智能驱动的应用程序,用于创建逼真的裸体照片

AI Clothes Remover

AI Clothes Remover

用于从照片中去除衣服的在线人工智能工具。

Undress AI Tool

Undress AI Tool

免费脱衣服图片

Clothoff.io

Clothoff.io

AI脱衣机

AI Hentai Generator

AI Hentai Generator

免费生成ai无尽的。

热门文章

R.E.P.O.能量晶体解释及其做什么(黄色晶体)
2 周前By尊渡假赌尊渡假赌尊渡假赌
仓库:如何复兴队友
1 个月前By尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island冒险:如何获得巨型种子
4 周前By尊渡假赌尊渡假赌尊渡假赌

热工具

禅工作室 13.0.1

禅工作室 13.0.1

功能强大的PHP集成开发环境

Atom编辑器mac版下载

Atom编辑器mac版下载

最流行的的开源编辑器

ZendStudio 13.5.1 Mac

ZendStudio 13.5.1 Mac

功能强大的PHP集成开发环境

SublimeText3 Mac版

SublimeText3 Mac版

神级代码编辑软件(SublimeText3)

Dreamweaver Mac版

Dreamweaver Mac版

视觉化网页开发工具