【发布时间】：2020-06-26 21:05:42
【问题描述】：
我正在尝试将图像上传到服务器，但每次我收到“您没有选择要上传的文件”的错误时
我在我的视图中创建了一个表单，其中询问用户详细信息以及是否选择了候选选项，因此将要求用户选择图像。
当我上传图像并使用 jQuery 获取文件路径时，我得到“C://fakepath/filename.png”，但为此我还配置了许多有效的东西，只返回文件名.
我已经在根文件夹中创建了一个名为 upload 的目录，但我仍然无法在上传文件夹和服务器上上传任何图像。
View.php
<form method="POST" id="userForm" enctype="multipart/form-data">
<div class="form-row">
<div class="form-group col-sm-12 col-md-6">
<label>First Name *</label>
<input type="text" name="firstName" class="form-control" value="<?php echo set_value('firstName'); ?>">
<span class="text-danger" id="name_error"><?php echo form_error('firstName'); ?></span>
</div>
<div class="form-group col-sm-12 col-md-6">
<label>Last Name *</label>
<input type="text" name="lastName" class="form-control" value="<?php echo set_value('lastName'); ?>">
<span class="text-danger"><?php echo form_error('lastName'); ?></span>
</div>
</div>
<h5 class="bg-dark text-white p-3 text-center mt-2 mb-4">User Credentials</h5>
<div class="form-group">
<label>Email *</label>
<input type="email" name="email" class="form-control" value="<?php echo set_value('email'); ?>">
<span class="text-danger"><?php echo form_error('email'); ?></span>
</div>
<div class="form-group">
<label>Password *</label>
<input type="password" name="password" class="form-control" value="<?php echo set_value('password'); ?>">
<span class="text-danger"><?php echo form_error('password'); ?></span>
</div>
<div class="form-group">
<label>Confirm Password *</label>
<input type="password" name="passwordMatch" class="form-control">
<span class="text-danger"><?php echo form_error('passwordMatch'); ?></span>
</div>
<h5 class="bg-dark text-white p-3 text-center mt-2 mb-4">User Status</h5>
<div class="form-group">
<label>User Status *</label>
<select class="form-control" id="userStatus" name="userStatus">
<option value="voter">Voter</option>
<option value="candidate">Candidate</option>
<option value="admin">Admin</option>
</select>
<span class="text-danger"><?php echo form_error('userStatus'); ?></span>
</div>
<div class="form-group" id="candidateSlogan">
<label>Candidate Slogan *</label>
<input type="file" name="userSlogan" class="form-control">
</div>
<button type="submit" class="btn btn-success">Add User</button>
</form>
ajax 响应
<script type="text/javascript">
$("#userForm").submit(function(e){
e.preventDefault();
var firstName = $("input[name='firstName']").val();
var lastName = $("input[name='lastName']").val();
var email = $("input[name='email']").val();
var password = $("input[name='password']").val();
var passwordMatch = $("input[name='passwordMatch']").val();
var userStatus = $("#userStatus").val();
var slogan = $("input[name='userSlogan']").val();
if (userStatus == 'candidate') {
if(slogan == ''){
alert("Please Attach Candidate Slogan");
}
}
$.ajax({
method: 'POST',
url: '<?php echo base_url(); ?>welcome/add_user_validation',
data: {
firstName: firstName,
lastName: lastName,
email: email,
password: password,
passwordMatch: passwordMatch,
userStatus: userStatus,
slogan: slogan
},
success: function(data){
$('#message').html(data);
if(data == 'User Added Successfully'){
$('#message').addClass("alert alert-success");
$('#message').removeClass("alert-danger");
$('#userForm')[0].reset();
$("input[name = 'firstName']").focus();
}
else{
$('#message').addClass("alert alert-danger");
$('#message').removeClass("alert-success");
}
},
error: function(data){
// alert(data);
$('#message').html(data);
}
});
});
</script>
Controller.php
public function add_user_validation(){
// $this->load->helper(array('form', 'url')) // already loaded in autoload.php;
// $this->load->library('form_validation') // declared in autoload.php;
$this->form_validation->set_rules("firstName", "First Name", "required|trim|alpha");
$this->form_validation->set_rules("lastName", "Last Name", "required|trim|alpha");
$this->form_validation->set_rules("email", "Email", "required|trim|valid_email");
$this->form_validation->set_rules("password", "Password", "required");
$this->form_validation->set_rules("passwordMatch", "Password Comfirmation", "required|matches[password]");
$this->form_validation->set_rules("userStatus", "User Status", "required");
if($this->input->post('userStatus') == 'candidate'){
$this->form_validation->set_rules("slogan", "Candidate Slogan", "required");
if(isset($_POST['slogan'])){
$config['upload_path'] = './upload/';
$config['upload_types'] = 'png|jpg|jpeg';
$this->load->library('upload', $config);
echo "<script>alert('hello')</script>";
if($this->upload->do_upload('slogan')){
$candidateSlogan = $this->upload->data();
// print_r($candidateSlogan);
}
else{
// echo $this->upload->display_erorrs();
// echo "This File type is not allowed";
// $candidateSlogan = NULL;
$error = array('error' => $this->upload->display_errors());
echo $error['error'];
// print_r($error);
}
}
}
else{
$candidateSlogan = NULL;
}
if ($this->form_validation->run()) {
$this->load->model('main_model');
$data = array(
"first_name" => $this->input->post('firstName'),
"last_name" => $this->input->post('lastName'),
"email" => $this->input->post('email'),
"password" => $this->input->post('password'),
"user_status" => $this->input->post('userStatus'),
// "slogan" => $this->input->post('userSlogan')
"slogan" => $candidateSlogan
);
// echo "<script>alert(" . $data . ")</script>";
print_r($data);
if($this->main_model->add_user($data)){
echo "User Added Successfully";
}
else{
// $error_msg = $this->db->error();
// echo $error_msg;
echo "User Already Exists";
// echo $this->db->error();
}
}
else{
echo validation_errors();
}
}
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标签： php ajax codeigniter image-upload