数据库:mongo 工具:mongoengine 业务:读取MD5值,生成文件。 读取MD5值,需要读取一次gridfs对象 生成文件,需要第二次读取gridfs对象 当第二次调用gridfs对象时gridfs.read() == "" 请问这样的问题如何解决?
2017-04-25回答次数:1访问次数:591
先上代码: {代码...} 然后是txt文件: {代码...} 最后是powershell里显示的: {代码...} 求问为什么读不出最后一行来如果将seek(6)改成seek(0)就不会出现这种情况
2017-04-17回答次数:1访问次数:442
对于网络数据的发送,一次操作返回值可能小于所指定输出的字节数。对于从客户端发送一个文件到服务器端的例子,可以从两个方面进行一些处理: 1、多次发送没有发送了的数据 {代码...} 2、使用lseek指定到文件正确...
2017-04-17回答次数:0访问次数:224
我看已经有人提交过类似的bug报告, 但现在还存在这样的情况. 请问是否有什么解决办法么? 如果执行current()是可以返回正确的行内容的 https://bugs.php.net/bug.php?... {代码...} output: <?php$f->seek(0...
2017-04-11回答次数:1访问次数:738
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