laravel:单图片上传(10.27.0/前端vue)
一,相关文档
https://learnku.com/docs/laravel/10.x/filesystem/14865#481e03
二,前端vue代码
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< template > < div > < div style = "width:800px;margin: auto;display: flex;flex-direction: column;" > 请选择上传图片: < input type = "file" id = "back" ref = "backfile" @ change = "handleFile" />< br /> < div id = "imglist" style = "width:100%;" > < div v-for = "(item,i) in selFiles" :key = "i" style = "float:left;margin-left: 20px;margin-top: 20px;height:150px;position:relative;" > < img :src = "item.fileimg" style = "height:150px;" /> </ div > </ div > < div > < input type = "button" value = "上传" @ click = "upload" /> </ div > </ div > </ div > </ template > < script > import {ref} from "vue"; import axios from 'axios'; export default { name: "ImgUpload", setup() { //选中的图片文件,保存在数组中 const selFiles = ref([]); //选中图片后的处理 const handleFile = () => { let filePaths = window.event.target.files; //清空原有缩略图 if (filePaths.length === 0) { //未选择,则返回 return } else { //清空数组中原有图片 selFiles.value.length = 0; } //把新选中的图片加入数组 for( var i=0;i< filePaths.length ; i++ ){ let file = filePaths [i]; let one = { fileimg:URL.createObjectURL(file), //预览用 file:file, } selFiles.value.push(one); } } //上传 const upload = () => { //判断是否选中文件 if (selFiles.value.length == 0) { alert("请在上传前先选中文件!"); return; } var file = selFiles.value[0].file; if (typeof(file) === "undefined") { alert("请在上传前先选中文件!"); return; } // 创建一个表单数据 var data = new FormData(); //遍历文件并上传 for( var i=0;i< selFiles.value.length ; i++ ){ let fileOne = selFiles .value[i].file; data.append("img",fileOne); } data.append("userName","laoliu"); let url = "/api/news/imgadd" ; //axios上传文件 axios({ method:"post", url:url, data:data, headers:{'Content-Type': 'multipart/form-data'}, }).then((res) => { if (res.data.code == 0) { let data = res.data.data; console.log(data); let imageUrl = data.url; alert("success:image:"+imageUrl); } else { alert("error:"+res.data.msg); } } ).catch(err=>{ alert('网络错误:'+err.message); }); } return { selFiles, handleFile, upload, } } } </ script > < style scoped> </ style > |
三,后端php代码
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public function imgadd(Request $request ) { // 判断文件是否上传 // 实例 if ( $request ->hasFile( 'img' )) { // 获取后缀名 $ext = $request ->file( 'img' )->getClientOriginalExtension(); // 新的文件名 $newFile =time().rand(). "." . $ext ; //保存到目录 $baseDir = "/var/www/html/digImage" ; // 上传文件操作 $request ->file( 'img' )->move( $baseDir , $newFile ); //得到图片的url $url = "http://192.168.219.6/digImage/" . $newFile ; //返回 return Result::Success([ 'url' => $url ]); } else { // 回到上一个页面 //return back(); return Result::ErrorCode(10024, '图片文件未上传' ); } } |
说明:刘宏缔的架构森林—专注it技术的博客,
网站:https://blog.imgtouch.com
原文: https://blog.imgtouch.com/index.php/2023/10/29/laravel-dan-tu-pian-shang-chuan-qian-duan-vue/
代码: https://github.com/liuhongdi/ 或 https://gitee.com/liuhongdi
说明:作者:刘宏缔 邮箱: 371125307@qq.com
四,测试效果:
五,查看laravel框架的版本:
liuhongdi@lhdpc:/data/laravel/dignews$ php artisan --version
Laravel Framework 10.27.0