ThinkPHP5通过ajax插入图片并实时显示(完整代码)
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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.3ka.cn/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="reverse" onchange="card(this)" autocomplete="off" /></p>
<input type="text" name="" id="frontages" value="" />
<div id="frontage"></div>
<!-- 2 -->
<!-- 3 -->
<p>银行卡正面：<input type="file" name="transaction" id="transaction" onchange="obverse(this)" autocomplete="off" /></p>
<input type="text" name="" id="bankings" value="" />
<div id="banking"></div>
<!-- 3 -->
<!-- 4 -->
<p>银行卡反面：<input type="file" name="redlining" id="redlining" onchange="versa(this)" autocomplete="off" /></p>
<input type="text" name="" id="houses" value="" />
<div id="house"></div>
<!-- 4 -->
</form>
<!-- 身份证正面 -->
<script type="text/javascript">
function identity() {
var formData = new FormData();
formData.append("drawing", $('#drawing')[0].files[0]);
// console.log(formData);
$.ajax({
url: "http://demo.3ka.cn/index.php?s=/api/Mi/measurement",
type: 'POST',
data: formData,
dataType: 'JSON',
cache: false,
processData: false,
contentType: false,
success: function(data) {
console.log(data);
if (data['whether'] == true) {
var result = '';
var result1 = '';
result += '<img src="' + 'http://demo.3ka.cn/' + data['site'] + '" width="100">';
result1 += 'http://demo.3ka.cn/' + data['site'];
$('#front').html(result);
$('#fronts').val(result1);
}
},
error: function(data) {
console.log("错误");
}
});
}
</script>
<!-- 身份证反面 -->
<script type="text/javascript">
function card() {
var formData = new FormData();
formData.append("reverse", $('#reverse')[0].files[0]);
// console.log(formData);
$.ajax({
url: "http://demo.3ka.cn/index.php?s=/api/Mi/measurement",
type: 'POST',
data: formData,
dataType: 'JSON',
cache: false,
processData: false,
contentType: false,
success: function(data) {
console.log(data);
if (data['whether'] == true) {
var result = '';
var result1 = '';
result += '<img src="' + 'http://demo.3ka.cn/' + data['site'] + '" width="100">';
result1 += 'http://demo.3ka.cn/' + data['site'];
$('#frontage').html(result);
$('#frontages').val(result1);
}
},
error: function(data) {
console.log("错误");
}
});
}
</script>
<!-- 银行卡正面 -->
<script type="text/javascript">
function obverse() {
var formData = new FormData();
formData.append("transaction", $('#transaction')[0].files[0]);
// console.log(formData);
$.ajax({
url: "http://demo.3ka.cn/index.php?s=/api/Mi/measurement",
type: 'POST',
data: formData,
dataType: 'JSON',
cache: false,
processData: false,
contentType: false,
success: function(data) {
console.log(data);
if (data['whether'] == true) {
var result = '';
var result1 = '';
result += '<img src="' + 'http://demo.3ka.cn/' + data['site'] + '" width="100">';
result1 += 'http://demo.3ka.cn/' + data['site'];
$('#banking').html(result);
$('#bankings').val(result1);
}
},
error: function(data) {
console.log("错误");
}
});
}
</script>
<!-- 银行卡反面 -->
<script type="text/javascript">
function versa() {
var formData = new FormData();
formData.append("redlining", $('#redlining')[0].files[0]);
// console.log(formData);
$.ajax({
url: "http://demo.3ka.cn/index.php?s=/api/Mi/measurement",
type: 'POST',
data: formData,
dataType: 'JSON',
cache: false,
processData: false,
contentType: false,
success: function(data) {
console.log(data);
if (data['whether'] == true) {
var result = '';
var result1 = '';
result += '<img src="' + 'http://demo.3ka.cn/' + data['site'] + '" width="100">';
result1 += 'http://demo.3ka.cn/' + data['site'];
$('#house').html(result);
$('#houses').val(result1);
}
},
error: function(data) {
console.log("错误");
}
});
}
</script>
</body>
</html>tp控制器中
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
// 这是反面
if ( isset( $_FILES['reverse'] ) && $_FILES['reverse']['error'] == 0 ) {
$reverse = request()->file('reverse');
$reverse = $reverse->validate( ['ext'=>'jpg,png,gif'] )->move( ROOT_PATH . 'static' . DS . 'upload/mi/img' );
}
if ( isset( $reverse ) ) {
$contrary = '/static' . DS . 'upload/mi/img/'. $reverse->getSaveName();
$response['whether'] = true;
$response['site'] = $contrary;
echo json_encode($response);
}
//银行卡正面
if ( isset( $_FILES['transaction'] ) && $_FILES['transaction']['error'] == 0 ) {
$transaction = request()->file('transaction');
$transaction = $transaction->validate( ['ext'=>'jpg,png,gif'] )->move( ROOT_PATH . 'static' . DS . 'upload/mi/img' );
}
if ( isset( $transaction ) ) {
$stuck = '/static' . DS . 'upload/mi/img/'. $transaction->getSaveName();
$response['whether'] = true;
$response['site'] = $stuck;
echo json_encode($response);
}
//银行卡反面
if ( isset( $_FILES['redlining'] ) && $_FILES['redlining']['error'] == 0 ) {
$redlining = request()->file('redlining');
$redlining = $redlining->validate( ['ext'=>'jpg,png,gif'] )->move( ROOT_PATH . 'static' . DS . 'upload/mi/img' );
}
if ( isset( $redlining ) ) {
$other = '/static' . DS . 'upload/mi/img/'. $redlining->getSaveName();
$response['whether'] = true;
$response['site'] = $other;
echo json_encode($response);
}
}总结
以上所述是小编给大家介绍的ThinkPHP5 通过ajax插入图片并实时显示，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对汇云资源网的支持！
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