我创建了一个Makefile来为所提到的pdf文件生成html和md，而调用make之类的make a.md应该会生成a.pdf和a.html，并且不应转换目录中存在的其他md文件。
但是我遇到了错误Nothing to be done for a.md
能否请您建议更改？
答案 0 :(得分：2)
由于<?php
require_once 'db_connect.php';
//if form is submitted
if($_POST) {
$validator = array('success' => false, 'messages' => array());
$name = $_POST['addName'];
$file = '';
$file_name = '';
$file_size = '';
$file_tmp = '';
$file_type = '';
$main_path = "../img/pics/";
$thumb_path = "../img/pics/thumbnail/";
$percent = 0.5;
$file_name = $_FILES['addImage']['name'];
$file_size = $_FILES['addImage']['size'];
$file_tmp = $_FILES['addImage']['tmp_name'];
$file_type = $_FILES['addImage']['type'];
if ($file_name != '' && $file_size > 1000) {
if($file_size > 2097152){
echo "Image size should be less than 2 MB";
}
else{
$upload_image = $main_path.basename($file_name);
move_uploaded_file($file_tmp,"$main_path".$file_name);
$thumbnail = $thumb_path.$file_name;
list($width,$height) = getimagesize($upload_image);
$thumb_width = $width * $percent;
$thumb_height = $height * $percent;
$thumb_create = imagecreatetruecolor($thumb_width,$thumb_height);
switch($file_type){
case 'image/jpg':
$source = imagecreatefromjpeg($upload_image);
break;
case 'image/jpeg':
$source = imagecreatefromjpeg($upload_image);
break;
case 'image/png':
$source = imagecreatefrompng($upload_image);
break;
case 'image/gif':
$source = imagecreatefromgif($upload_image);
break;
default:
$source = imagecreatefromjpeg($upload_image);
}
imagecopyresampled($thumb_create,$source,0,0,0,0,$thumb_width,$thumb_height,$width,$height);
switch($file_type){
case 'image/jpg':
imagejpeg($thumb_create,$thumbnail,100);
break;
case 'image/jpeg':
imagejpeg($thumb_create,$thumbnail,100);
break;
case 'image/png':
imagepng($thumb_create,$thumbnail,9);
break;
case 'image/gif':
imagegif($thumb_create,$thumbnail,100);
break;
default:
imagejpeg($thumb_create,$thumbnail,100);
}
}
}
$sql = "INSERT INTO student (name, picture) VALUES ('$name', , '$file_name')";
$query = $connect->query($sql);
if($query === TRUE) {
$validator['success'] = true;
$validator['messages'] = "Successfully Added";
} else {
$validator['success'] = false;
$validator['messages'] = "Error while adding the member information";
}
// close the database connedction
$connect->close();
echo json_encode($validator);
}已经存在，var manageMemberTable;
$(document).ready(function() {
manageMemberTable = $("#manageMemberTable").DataTable({
"ajax": "php_action/admretrieve.php",
"order": []
});
$("#addMemberModalBtn").on('click', function() {
// reset the form
$("#createMemberForm")[0].reset();
// remove the error
$(".form-group").removeClass('has-error').removeClass('has-success');
$(".text-danger").remove();
// empty the message div
$(".messages").html("");
// submit form
$("#createMemberForm").unbind('submit').bind('submit', function() {
$(".text-danger").remove();
var form = $(this);
// validation
var addName = $("#addName").val();
var addImage = $("#addImage").val();
if(addName == "") {
$("#addName").closest('.form-group').addClass('has-error');
$("#addName").after('<p class="text-danger">The Name field is required</p>');
} else {
$("#addName").closest('.form-group').removeClass('has-error');
$("#addName").closest('.form-group').addClass('has-success');
}
if(addName && addImage) {
//submi the form to server
$.ajax({
url : form.attr('action'),
type : form.attr('method'),
data : form.serialize(),
dataType : 'json',
success:function(response) {
// remove the error
$(".form-group").removeClass('has-error').removeClass('has-success');
if(response.success == true) {
$(".messages").html('<div class="alert alert-success alert-dismissible" role="alert">'+
'<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>'+
'<strong> <span class="glyphicon glyphicon-ok-sign"></span> </strong>'+response.messages+
'</div>');
// reset the form
$("#createMemberForm")[0].reset();
// reload the datatables
manageMemberTable.ajax.reload(null, false);
// this function is built in function of datatables;
} else {
$(".messages").html('<div class="alert alert-warning alert-dismissible" role="alert">'+
'<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>'+
'<strong> <span class="glyphicon glyphicon-exclamation-sign"></span> </strong>'+response.messages+
'</div>');
} // /else
} // success
}); // ajax subit
} /// if
return false;
}); // /submit form for create member
}); // /add modal
});的确没有进一步的工作。您可以只使用实例a.md作为指定目标（前提条件可能取决于pdf和html文件）。或通过变量传递所需的来源，然后从中确定所需的目标。
（后一种）选项是这样的：
make您可以用a打电话。
另一个选项（以前）：
EXPORTED= $(SOURCE:%.md=%.html) $(SOURCE:%.md=%.pdf)
%.html : %.md
pandoc -o $@ $<
%.pdf : %.md
pandoc -o $@ $<
all: $(EXPORTED)
允许您呼叫make SOURCE=a.md。
但要重申。您不能使用（现有）源作为目标，因为make会（确实如此）得出结论，即已完成该目标。
除了（但我个人并不真的喜欢，因为这使IMO令人困惑），如果您坚持认为，可以对以前的方法进行一些改动...但是可以使用%.html : %.md
pandoc -o $@ $<
%.pdf : %.md
pandoc -o $@ $<
.PHONY: $(MAKECMDGOALS)
$(MAKECMDGOALS): $(MAKECMDGOALS:%=%.html) $(MAKECMDGOALS:%=%.pdf)
个目标...全部声明为make a。即不是真实文件，总是要考虑/修改：
*.md现在，您确实可以致电.PHONY。我还是更喜欢上面两个。