php导出csv格式数据并将数字转换成文本的思路以及代码分享
author:一佰互联 2019-04-29   click:354

php导出csv格式数据实现:
先定义一个字符串 存储内容,例如
 $exportdata = "规则111,规则222,审222,规222,服2222,规则1,规则2,规则3,匹配字符,设置时间,有效期"." ";

然后对需要保存csv的数组进行foreach循环,例如

复制代码 代码如下:
              if (!empty($lists)){
                  foreach($lists as $key => $value){
                    $time = date("Y-m-d_H:i:s", $value["add_time"]);
                    $exportdata .= "" ".$value["Rule_id"].""," ".$value["Rule_name"].""," ".$value["Matching_level"].""," "."{$value["Rule_action"]}".""," ".$value["Service_type"].""," ".$value["Keyword1"].""," ".$value["Keyword2"].""," ".$value["Keyword3"].""," ".$value["Matching_word"].""," ".$value["Set_time"].""," ".$value["Validation_time"]."" ";
                  }
              }


csv格式的内容用","隔开,在现实的时候就能分格了。每一行后面就一个" "就能分行了。

然后在后面执行输出就行了。例如

复制代码 代码如下:
              $filename = "plcnetinfo_{$date}.csv";

              header("Content-type:application/vnd.ms-excel");
              header("Content-Disposition: attachment; filename=$filename");

              header("Expires: 0");
              header("Pragma: public");
              header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
              header("Cache-Control: public");

              echo(mb_convert_encoding($exportdata,"gb2312","UTF-8"));

但是在导出数字的时候csv就会把前面的0去掉,例如 我想显示 00001   ,如果输出的话就会显示1.这种解决办法就是在输出的时候就一个"" ",这个是制表符,会显示成空格。就能把数值转化成文本了。不过在导入的时候会出现""    ".这种东西,用一下php自带的trim函数就好了。完整代码如下:

复制代码 代码如下:             
              //var_dump($sql);
              $lists = $this->dbo->query($sql);

       $exportdata = "规则111,规则222,审222,规222,服2222,规则1,规则2,规则3,匹配字符,设置时间,有效期"." ";
              $date = date("YmdHis");
              if (!empty($lists)){
                  foreach($lists as $key => $value){
                    $time = date("Y-m-d_H:i:s", $value["add_time"]);
                    $exportdata .= "" ".$value["Rule_id"].""," ".$value["Rule_name"].""," ".$value["Matching_level"].""," "."{$value["Rule_action"]}".""," ".$value["Service_type"].""," ".$value["Keyword1"].""," ".$value["Keyword2"].""," ".$value["Keyword3"].""," ".$value["Matching_word"].""," ".$value["Set_time"].""," ".$value["Validation_time"]."" ";
                  }
              }
              $filename = "plcnetinfo_{$date}.csv";

              header("Content-type:application/vnd.ms-excel");
              header("Content-Disposition: attachment; filename=$filename");

              header("Expires: 0");
              header("Pragma: public");
              header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
              header("Cache-Control: public");

              echo(mb_convert_encoding($exportdata,"gb2312","UTF-8"));