上传文件(jq,php)

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<!DOCTYPE html><html>  <head>    <meta charset="utf-8">  </head>  <body>    <!-- <form id="form1" action="php/1.php" method="post" enctype="multipart/form-data"> -->    <form id="form1">      <label>选择本地文件:        <input type="file" name="file"/>       </label>      <br />      <input type="button" name="submit" value="Submit" />    </form>    <script src="js/jquery.min.js"></script>    <script>    $("#form1>:button").click(()=>{      console.log("11111");      $.ajax({        type:"post",        url:"php/1.php",        data:new FormData($("#form1")[0]),        processData:false,        contentType:false      }).then(data=>{        console.log(data);        console.log(data.ok);        console.log(typeof data.ok);        if(data.ok==1){          document.write(`${data.msg}`);        }else{          alert(data.msg);        }      })    })    </script>  </body>  </html>

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<?php header("Content-Type:application/json");$file=$_FILES["file"];//sleep(10); //方便查看临时路径下上传的文件，一旦php运行结束，该文件会被删除//var_dump($file);  可以查看文件具体信息，以及临时路径//解决中文路径不能上传问题$uploadPath=iconv("UTF-8","GB2312","../upload/".$file["name"]);//注意与下面统一路径//if(file_exists("upload/".$file["name"])){if(file_exists($uploadPath)){echo json_encode(["ok"=>0,"msg"=>$file["name"]." 已存在"]);}else{move_uploaded_file($file["tmp_name"], "../upload/".$file["name"]);echo json_encode(["ok"=>1,"msg"=>"文件上传成功","path"=>$uploadPath]);}?>

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