在一个form表单里面实现文件上传。
首先布局：当然这一行外面还有有一个form标签哦。
html代码：
jq代码：
$('.upload1').click(function(){ var $input = $('.avatar1'); // 相当于： $input[0].files, $input.get(0).files var files = $input.prop('files'); console.log(files); var data = new FormData(); data.append('avatar1', files[0]); var activeid = $("input[name='activeid']").val(); data.append('activeid',activeid); data.append('con','la1'); console.log(data); $.ajax({ url: "{:U('Lawsuit/upload')}", type: 'POST', data: data, cache: false, processData: false, contentType: false, success:function(data){ console.log(data); if(data['status'] == 1){ alert("上传成功！"); var str = ""; str += "<tr><input type='hidden' name='wjid' value='"+data['info'].id+"'><td style='width:70%'>" + "<a href='__ROOT__"+data['info'].url+"'>"+data['info'].name+"</a></td>"+ "<td style='width:30%;text-align: center;'><a rel='del1' href='javascript:void(0)'>删除</a></td></tr>"; $(".wj1").append(str); //点击删除 $("a[rel='del1']").click(function () { var id = $(this).parent().parent().find("input[name='wjid']").val(); alert(id); var tis = $(this); $.ajax({ type: 'post', data: {id: id}, url: "{:U('Lawsuit/wjdel')}", dataType: 'json', success: function (data) { if(data == 0){ tis.parent().parent().remove(); } } }) }) } } }); });php代码：
public function upload(){ $upload = new \Think\Upload();// 实例化上传类 $upload->maxSize = 3145728 ;// 设置附件上传大小 $upload->rootPath = './Uploads/lawsuit/'; // 设置附件上传根目录 $upload->savePath = ''; // 设置附件上传（子）目录 // 上传文件 $info = $upload->upload(); if(!$info) {// 上传错误提示错误信息 $this->error($upload->getError()); }else{// 上传成功 foreach($info as $file) { $filename ='/Uploads/lawsuit/' . $file['savepath'] . $file['savename']; $arr['url']=$filename; $arr['name'] = $file['name']; $arr['activeid'] = $_POST['activeid']; $arr['flowid']=28; $arr['userid'] = $_SESSION['auth_id']; $arr['createdate'] = date('Y-m-d h:i:m',time()); $arr['size'] = $file['size']; $arr['type'] = $_POST['con']; $att = M('fc_attach'); $re = $att->add($arr); $arr['id'] = $re; if($re){ $this->success($arr); } } } }这样就能实现在先文件上传再提交表单了，菜鸟随笔，有什么不对的地方敬请谅解哦！
