站长图库向大家介绍了ThinkPHP5,ajax插入图片,实时显示,php图片上传,ajax上传等相关知识,希望对您有所帮助
这篇文章主要介绍了ThinkPHP5 通过ajax插入图片并实时显示功能，本文给大家分享网站代码，代码简单易懂，非常不错，具有一定的参考借鉴价值,需要的朋友可以参考下
单张图片上传
展示图：
完整代码：
<!DOCTYPE html><html> <head> <meta charset="utf-8"> <title>ajax上传图片练习</title> <script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script> <style type="text/css"></style></head><body><form id="form"> <label for="exampleInputEmail1">身份证正面</label> <input type="file" id="drawing" name="drawing" onchange="picture(this);" /> <!-- 上传图片的路径 --> <input type="hidden" name="" id="front" value="" /> <div id="result"></div></form><script>//正面身份证function picture() { var data = new FormData($('#form')[0]); /* new FormData 的意思 * 获取我们for表单中的所有input的name和value为了更方便传值 * https://segmentfault.com/a/1190000012327982?utm_source=tag-newest */ console.log(data); $.ajax({ url: "http://demo.zztuku.com/index.php?s=/api/Mi/measurement", type: 'POST', data: data, dataType: 'JSON', cache: false, processData: false, contentType: false, success: function(data) { // console.log(data); if (data['whether']) { var result = ''; var result1 = ''; result += '<img src="' + 'http://tp5-shopxo.likeball.top/' + data['site'] + '" width="100">'; result1 += 'http://tp5-shopxo.likeball.top/' + data['site']; $('#results').html(result); $('#fronts').val(result1); } }, error: function(data) { alert('错误'); } });}</script></body></html>tp控制器代码
public function measurement(){ $response = array(); //这是身份证正面 if ( isset( $_FILES['drawing'] ) && $_FILES['drawing']['error'] == 0 ) { $drawing = request()->file('drawing'); $picture = $drawing->validate( ['ext'=>'jpg,png,gif'] )->move( ROOT_PATH . 'static' . DS . 'upload/mi/img' ); } if ( isset( $picture ) ) { $filePaths = '/static' . DS . 'upload/mi/img/'. $picture->getSaveName(); $response['whether'] = true; $response['site'] = $filePaths; echo json_encode($response); } // 正面结束}多个上传
展示：
完整代码：
<html> <head> <meta charset="UTF-8"> <title>文件上传</title> <style type="text/css">#front { width: 120px; height: 120px; background-color: #8A6DE9; } #frontage { width: 120px; height: 120px; background-color: #8A6DE9; } #banking { width: 120px; height: 120px; background-color: #8A6DE9; } #house { width: 120px; height: 120px; background-color: #8A6DE9; }</style> <script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script></head><body><form id="uploadForm"> <!-- 1 --> <p>身份证正面:<input type="file" name="drawing" id="drawing" onchange="identity(this)" autocomplete="off" /></p> <input type="text" name="" id="fronts" value="" /> <div id="front"></div> <!-- 1 --> <!-- 2 --> <p>身份证反面：<input type="file" name="reverse" id="r