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我有一个 PDF 表单,每个月的每一天都有 6 个不同的时间段,我需要确保这些时间段在用户完成时不会重叠。并非所有时间段都可以完成,但完成的时间段必须是唯一的。我从上一篇文章中获得了灵感使用 JavaScript 比较时间范围特别是@RobG 的贡献。但是,我缺乏脚本知识,这妨碍了我为我的特定应用程序塑造该代码的能力。除了验证时间段之外,我还必须在表格上的每一天都重复此操作,但我想一次做一次,特别是在当天输入条目时。由于这是一个 PDF 表单,我不确定如何执行该验证。例如,是否应该在每个时间段完成时执行?也就是说,有一个开始时间和结束时间?所以它会作为那个时间条目的“验证”脚本?以下是表单的示例:

在此处输入图像描述

在此处输入图像描述

这是我为我的表单更新代码的尝试:

var TimeIn1 = this.getField("Day1Pd1TimeInRes").value;
var TimeOut1 = this.getField("Day1Pd1TimeOutRes").value;
var TimeIn2 = this.getField("Day1Pd2TimeInRes").value;
var TimeOut2 =  this.getField("Day1Pd2TimeOutRes").value;
var TimeIn3 = this.getField("Day1Pd3TimeInRes").value;
var TimeOut3 = this.getField("Day1Pd3TimeOutRes").value;
var TimeIn4 = this.getField("Day1Pd4TimeInRes").value;
var TimeOut4 = this.getField("Day1Pd4TimeOutRes").value;
var TimeIn5 = this.getField("Day1Pd5TimeInRes").value;
var TimeOut5 =  this.getField("Day1Pd5TimeOutRes").value;
var TimeIn6 = this.getField("Day1Pd6TimeInRes").value;
var TimeOut6 = this.getField("Day1Pd6TimeOutRes").value;

var timeSlots = [
  {BeginTime: new Date("10/25/2015 " + TimeIn1),
   EndTime: new Date("10/25/2015 " + TimeOut1)},
  {BeginTime: new Date("10/25/2015 " + TimeIn2),
   EndTime: new Date("10/25/2015 " + TimeOut2)},
  {BeginTime: new Date("10/25/2015 " + TimeIn3),
   EndTime: new Date("10/25/2015 " + TimeOut3)},
  {BeginTime: new Date("10/25/2015 " + TimeIn4),
   EndTime: new Date("10/25/2015 " + TimeOut4)},
  {BeginTime: new Date("10/25/2015 " + TimeIn5),
   EndTime: new Date("10/25/2015 " + TimeOut5)},
  {BeginTime: new Date("10/25/2015 " + TimeIn6),
   EndTime: new Date("10/25/2015 " + TimeOut6)}
];
function slotFits(slot) {
  if (timeSlots.length == 0) return true; // If no slots, must fit
  return timeSlots.some(function(s, i) {
    return (i == 0 && slot.EndTime <= s.BeginTime) || //slot is before all others
  (s.EndTime <= slot.BeginTime && !timeSlots[i + 1]) || //slot is after all others
  (s.EndTime <= slot.BeginTime && timeSlots[i + 1].BeginTime >= slot.EndTime) // Slot between others
  });
}

[{BeginTime: new Date("10/25/2015 " + TimeIn1),
  EndTime: new Date("10/25/2015 " + TimeOut1)},
 {BeginTime: new Date("10/25/2015 " + TimeIn2),
  EndTime: new Date("10/25/2015 " + TimeOut2)},
 {BeginTime: new Date("10/25/2015 " + TimeIn3),
  EndTime: new Date("10/25/2015 " + TimeOut3)},
 {BeginTime: new Date("10/25/2015 " + TimeIn4),
  EndTime: new Date("10/25/2015 " + TimeOut4)},
 {BeginTime: new Date("10/25/2015 " + TimeIn5),
  EndTime: new Date("10/25/2015 " + TimeOut5)},
 {BeginTime: new Date("10/25/2015 " + TimeIn6),
  EndTime: new Date("10/25/2015 " + TimeOut6)},
].forEach(function(slot, i) {
  app.alert('Slot ' + i + ': ' + slotFits(slot));
});

在这个示例中,我拼出了字段名称,但是因为我一次最多会重复 31 天,所以我想找到一种方法来创建一个文档脚本,我可以在其中输入“TimeIn”和“TimeOut”变量并每天调用它们,但我认为如果有必要我可以不这样做,只需担心表单大小在 6 个周期内重复那么多代码,可能持续 31 天。谢谢!

编辑:时间值是 HH:mm

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1 回答 1

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让我们稍微重写一下,因为“事情变得异常复杂”的典型解决方案通常是“选择更好的数据结构”,在这种情况下,这意味着使用 Entry 表示,并让它为你工作。

鉴于 Foxit 显然不支持现代 JS,使用较旧的 ES5 这看起来有点像:

function Entry(pdfObject, day, pd, dateOffset) {
  this.id = day + '-' + pd;
  this.in = pdfObject.getField('Day'+day+'Pd'+pd+'TimeInRes').value;
  this.out = pdfObject.getField('Day'+day+'Pd'+pd+'TimeOutRes').value;
  this.begin = new Date(dateOffset+' '+this.in);
  this.end = new Date(dateOffset+' '+this.out);
  this.interval = this.end.getTime() - this.begin.getTime(); 
}

Entry.prototype = {
  checkFit: function checkFit(entries) {
    // 1: find out where our start fits into the list of start times
    var start = -1, l = entries.length, other, i, e;
    for (i=0; i<l; i++) {
      e = entries[i];
      if (this.begin < e.begin) {
        start = i;
        other = e;
      }
      if (this.begin > e.begin) break;
    }
    // are we the last entry? if so, we fit if we start after the last end.
    if (!other || start === l-1) return (this.begin > entries[l-1].end);
    // IF not, there is a next entry; do we end before that begins?
    return other.begin <= this.end;
  }
}

Entry.loadAll = function loadAll(pdfObject, day, dateOffset) {
  return [1,2,3,4,5,6]
         .map(function(i) { return new Entry(pdfObject, day, i, dateOffset); })
         .sort(function(a,b) { return a.end - b.end; });
}

然后我们可以使用如下代码来使用这个对象:

// Make sure we have a reference to the pdf API so we can getField etc.
var pdfObject = this;

// I'm assuming the day and date offset should not be hardcoded
var entries = Entry.loadAll(pdfObject, 1, "10/25/2015");

// check the entries
entries.forEach( function(entry) {
  let fits = entry.checkFit(entries);
  console.log('Slot check for entry '+entry.id+': '+fits);
});
于 2018-06-28T22:57:21.770 回答