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php中base64转换为图片的方法-创新互联

小编给大家分享一下php中base64转换为图片的方法，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！

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php base64转换为图片的方法：首先获取base64文件；然后设置生成的图片名字；接着通过if语句判断是否有逗号；最后设置图片保存路径即可。

php中base64转换为图片的方法

  • 获取base64文件
 $image="data:image/png;base64,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";
  • 设置生成的图片名字
 $imageName = "25220_".date("His",time())."_".rand(1111,9999).'.png';
  • 判断是否有逗号 如果有就截取后半部分
if (strstr($image,",")){    $image = explode(',',$image);    $image = $image[1];
}
  • 设置图片保存路径
$path = "tmp/signImage/".date("Ymd",time());
  • 判断目录是否存在 不存在就创建 并赋予777权限
if (!is_dir($path)){ //判断目录是否存在 不存在就创建
   mkdir($path,0777,true);
}
  • 拼接路径和图片名称
 $imageSrc=  $path."/". $imageName;
  • 生成图片 返回的是字节数
 $r = file_put_contents(ROOT_PATH ."public/".$imageSrc, base64_decode($image));
  • 判断图片是否生成成功
if (!$r) {   return json(['data'=>null,"code"=>1,"msg"=>"图片生成失败"]);
 }else{   return json(['data'=>1,"code"=>0,"msg"=>"图片生成成功"]);
}
  • 完整代码如下
$image="data:image/png;base64,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";            $imageName = "25220_".date("His",time())."_".rand(1111,9999).'.png';            if (strstr($image,",")){                $image = explode(',',$image);                $image = $image[1];
            }            $path = "tmp/signImage/".date("Ymd",time());            if (!is_dir($path)){ //判断目录是否存在 不存在就创建
                mkdir($path,0777,true);
            }            $imageSrc=  $path."/". $imageName;  //图片名字

            $r = file_put_contents(ROOT_PATH ."public/".$imageSrc, base64_decode($image));//返回的是字节数
            if (!$r) {                return json(['data'=>null,"code"=>1,"msg"=>"图片生成失败"]);
            }else{                return json(['data'=>1,"code"=>0,"msg"=>"图片生成成功"]);
            }

以上是php中base64转换为图片的方法的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注创新互联-成都网站建设公司行业资讯频道！


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