生产制造追溯系统之在线打印功能
前言
很久没有写博客了(大概有4个月的样子了吧)，从2015年8月份开始一直忙于公司的系统，直到2016年6月底全部上线；包含4个厂区，每个厂区都是上千人的规模，而负责搞这个项目的算上我只有2个人，说多了都是泪：
美工？没有
测试人员？没有
DBA？没有
架构师？没有
运维？继续没有
估计大家都没遇见过这样的工作吧？哈哈.
历经艰难、跟各个部门(IE、PE、生产、PMC、QA等)唇枪舌战、好在在6月底总算是全部上线，总算是一点欣慰，毕竟决定了接手这个项目，那就要用心去做，只有用心了才能做好。
吐槽完毕，下面开始说正事儿
********我是华丽的分割线************************************************
公司的系统上线之后，我也稍微可以缓口气了，加班稍微少了一点，一般到了下午6点半就能下班，所以我还是决定将2015年初整理的这套项目拿出来继续优化，该项目已Web模式为主、客户端模式为辅，互相结合使用；目前主要包含以下几个主要功能模块：
本文主要说一下打印的问题，在生产制造业中条码打印是非常频繁的，也是必不可少的；我曾经亲身经历过这么一件事情：生产线在进行包装的时候，打印了两张卡通标签，但是操作员在将卡通标签贴在盒子上的时候贴反了，也就是说标签上面的序列号与盒子里面装的实物完全对不上，为此在海关被拦截了，当时厂里派了QA、生产、货仓与IT一同去海关处解决这个问题，我刚好在其中，整个过程是非常繁琐的，为此公司高层也要求必须杜绝这种品质事件，故我们也是采用了"在线打印"的方式进行包装，并且只有QA才有标签重打的权限。
这个故事反应了生产线的真实现象，所以我这边采用如下方式完成打印：
function PrintLabel(box) {
var api = '<%=MTS.Utility.MtsTool.GetApi() %>';
var lurl = api + "?type=3&action=get_carton_sn&carton_sn=" + box;
$.ajax({ url: lurl,
cache: false,
dataType: "text",
success: function (data) {
if (data == null || data == undefined) {
alert("");
return;
}
var arr = data.split("|");
if (arr[0] == "0") {
alert(arr[2]);
return;
}
var t = eval("(" + arr[2] + ")"); //
try {
var labelId = $("#hid_LabelId").val();
window.external.PrintLabel("", t.key, t.value, ",", labelId);
} catch (e) {
};
}
});
}
以上代码是Web应用程序中的脚本，主要是通过API获取需要打印的数据，这里返回的是text类型，其实也可以返回Json格式的数据；用户完成包装之后系统会按照包装规则产生一个唯一的卡通箱号，那么这个箱号就作为API的参数 carton_sn= box传进去，根据该箱号返回真实的包装数据；然后通过window.external调用客户端的打印函数。
通过如下代码获取本地默认打印机：
//获取默认打印机
System.Drawing.Printing.PrintDocument pringdocument = new System.Drawing.Printing.PrintDocument();
string pring_name = pringdocument.PrinterSettings.PrinterName;//打印机名
因为我这里的客户端程序就是对Web程式加壳了，通过这个客户端程序就可以方便的获取本地默认打印机，采用这种方式比在网页中安装 activex 控件要爽的多，谁用谁知道.
网页传过来的参数以键值对为标准：
string[] keys = key.Split(splitKey.ToCharArray(), StringSplitOptions.None);
string[] values = value.Split(splitKey.ToCharArray(), StringSplitOptions.None);
我这里调用BarTender进行打印，代码如下：
format = (BarTender.FormatClass)engine.Formats.Open(filename);
format.SetNamedSubStringValue(key, value);
format.PrintSetup.Printer = printerName;
BarTender.Messages msg = null;
format.Print("0", false, 1, out msg);
以下代码是Code 128格式的条码：
public class Code128
{
private DataTable m_Code128 = new DataTable();
private uint m_Height = 40;
/// <summary>
/// 高度
/// </summary>
public uint Height { get { return m_Height; } set { m_Height = value; } }
private Font m_ValueFont = null;
/// <summary>
/// 是否显示可见号码 如果为NULL不显示号码
/// </summary>
public Font ValueFont { get { return m_ValueFont; } set { m_ValueFont = value; } }
private byte m_Magnify = 0;
/// <summary>
/// 放大倍数
/// </summary>
public byte Magnify { get { return m_Magnify; } set { m_Magnify = value; } }
/// <summary>
/// 条码类别
/// </summary>
public enum Encode
{
Code128A,
Code128B,
Code128C,
EAN128
}
public Code128()
{
m_Code128.Columns.Add("ID");
m_Code128.Columns.Add("Code128A");
m_Code128.Columns.Add("Code128B");
m_Code128.Columns.Add("Code128C");
m_Code128.Columns.Add("BandCode");
m_Code128.CaseSensitive = true;
#region 数据表
m_Code128.Rows.Add("0", " ", " ", "00", "212222");
m_Code128.Rows.Add("1", "!", "!", "01", "222122");
m_Code128.Rows.Add("2", "\"", "\"", "02", "222221");
m_Code128.Rows.Add("3", "#", "#", "03", "121223");
m_Code128.Rows.Add("4", "$", "$", "04", "121322");
m_Code128.Rows.Add("5", "%", "%", "05", "131222");
m_Code128.Rows.Add("6", "&", "&", "06", "122213");
m_Code128.Rows.Add("7", "'", "'", "07", "122312");
m_Code128.Rows.Add("8", "(", "(", "08", "132212");
m_Code128.Rows.Add("9", ")", ")", "09", "221213");
m_Code128.Rows.Add("10", "*", "*", "10", "221312");
m_Code128.Rows.Add("11", "+", "+", "11", "231212");
m_Code128.Rows.Add("12", ",", ",", "12", "112232");
m_Code128.Rows.Add("13", "-", "-", "13", "122132");
m_Code128.Rows.Add("14", ".", ".", "14", "122231");
m_Code128.Rows.Add("15", "/", "/", "15", "113222");
m_Code128.Rows.Add("16", "0", "0", "16", "123122");
m_Code128.Rows.Add("17", "1", "1", "17", "123221");
m_Code128.Rows.Add("18", "2", "2", "18", "223211");
m_Code128.Rows.Add("19", "3", "3", "19", "221132");
m_Code128.Rows.Add("20", "4", "4", "20", "221231");
m_Code128.Rows.Add("21", "5", "5", "21", "213212");
m_Code128.Rows.Add("22", "6", "6", "22", "223112");
m_Code128.Rows.Add("23", "7", "7", "23", "312131");
m_Code128.Rows.Add("24", "8", "8", "24", "311222");
m_Code128.Rows.Add("25", "9", "9", "25", "321122");
m_Code128.Rows.Add("26", ":", ":", "26", "321221");
m_Code128.Rows.Add("27", ";", ";", "27", "312212");
m_Code128.Rows.Add("28", "<", "<", "28", "322112");
m_Code128.Rows.Add("29", "=", "=", "29", "322211");
m_Code128.Rows.Add("30", ">", ">", "30", "212123");
m_Code128.Rows.Add("31", "?", "?", "31", "212321");
m_Code128.Rows.Add("32", "@", "@", "32", "232121");
m_Code128.Rows.Add("33", "A", "A", "33", "111323");
m_Code128.Rows.Add("34", "B", "B", "34", "131123");
m_Code128.Rows.Add("35", "C", "C", "35", "131321");
m_Code128.Rows.Add("36", "D", "D", "36", "112313");
m_Code128.Rows.Add("37", "E", "E", "37", "132113");
m_Code128.Rows.Add("38", "F", "F", "38", "132311");
m_Code128.Rows.Add("39", "G", "G", "39", "211313");
m_Code128.Rows.Add("40", "H", "H", "40", "231113");
m_Code128.Rows.Add("41", "I", "I", "41", "231311");
m_Code128.Rows.Add("42", "J", "J", "42", "112133");
m_Code128.Rows.Add("43", "K", "K", "43", "112331");
m_Code128.Rows.Add("44", "L", "L", "44", "132131");
m_Code128.Rows.Add("45", "M", "M", "45", "113123");
m_Code128.Rows.Add("46", "N", "N", "46", "113321");
m_Code128.Rows.Add("47", "O", "O", "47", "133121");
m_Code128.Rows.Add("48", "P", "P", "48", "313121");
m_Code128.Rows.Add("49", "Q", "Q", "49", "211331");
m_Code128.Rows.Add("50", "R", "R", "50", "231131");
m_Code128.Rows.Add("51", "S", "S", "51", "213113");
m_Code128.Rows.Add("52", "T", "T", "52", "213311");
m_Code128.Rows.Add("53", "U", "U", "53", "213131");
m_Code128.Rows.Add("54", "V", "V", "54", "311123");
m_Code128.Rows.Add("55", "W", "W", "55", "311321");
m_Code128.Rows.Add("56", "X", "X", "56", "331121");
m_Code128.Rows.Add("57", "Y", "Y", "57", "312113");
m_Code128.Rows.Add("58", "Z", "Z", "58", "312311");
m_Code128.Rows.Add("59", "[", "[", "59", "332111");
m_Code128.Rows.Add("60", "\\", "\\", "60", "314111");
m_Code128.Rows.Add("61", "]", "]", "61", "221411");
m_Code128.Rows.Add("62", "^", "^", "62", "431111");
m_Code128.Rows.Add("63", "_", "_", "63", "111224");
m_Code128.Rows.Add("64", "NUL", "`", "64", "111422");
m_Code128.Rows.Add("65", "SOH", "a", "65", "121124");
m_Code128.Rows.Add("66", "STX", "b", "66", "121421");
m_Code128.Rows.Add("67", "ETX", "c", "67", "141122");
m_Code128.Rows.Add("68", "EOT", "d", "68", "141221");
m_Code128.Rows.Add("69", "ENQ", "e", "69", "112214");
m_Code128.Rows.Add("70", "ACK", "f", "70", "112412");
m_Code128.Rows.Add("71", "BEL", "g", "71", "122114");
m_Code128.Rows.Add("72", "BS", "h", "72", "122411");
m_Code128.Rows.Add("73", "HT", "i", "73", "142112");
m_Code128.Rows.Add("74", "LF", "j", "74", "142211");
m_Code128.Rows.Add("75", "VT", "k", "75", "241211");
m_Code128.Rows.Add("76", "FF", "I", "76", "221114");
m_Code128.Rows.Add("77", "CR", "m", "77", "413111");
m_Code128.Rows.Add("78", "SO", "n", "78", "241112");
m_Code128.Rows.Add("79", "SI", "o", "79", "134111");
m_Code128.Rows.Add("80", "DLE", "p", "80", "111242");
m_Code128.Rows.Add("81", "DC1", "q", "81", "121142");
m_Code128.Rows.Add("82", "DC2", "r", "82", "121241");
m_Code128.Rows.Add("83", "DC3", "s", "83", "114212");
m_Code128.Rows.Add("84", "DC4", "t", "84", "124112");
m_Code128.Rows.Add("85", "NAK", "u", "85", "124211");
m_Code128.Rows.Add("86", "SYN", "v", "86", "411212");
m_Code128.Rows.Add("87", "ETB", "w", "87", "421112");
m_Code128.Rows.Add("88", "CAN", "x", "88", "421211");
m_Code128.Rows.Add("89", "EM", "y", "89", "212141");
m_Code128.Rows.Add("90", "SUB", "z", "90", "214121");
m_Code128.Rows.Add("91", "ESC", "{", "91", "412121");
m_Code128.Rows.Add("92", "FS", "|", "92", "111143");
m_Code128.Rows.Add("93", "GS", "}", "93", "111341");
m_Code128.Rows.Add("94", "RS", "~", "94", "131141");
m_Code128.Rows.Add("95", "US", "DEL", "95", "114113");
m_Code128.Rows.Add("96", "FNC3", "FNC3", "96", "114311");
m_Code128.Rows.Add("97", "FNC2", "FNC2", "97", "411113");
m_Code128.Rows.Add("98", "SHIFT", "SHIFT", "98", "411311");
m_Code128.Rows.Add("99", "CODEC", "CODEC", "99", "113141");
m_Code128.Rows.Add("100", "CODEB", "FNC4", "CODEB", "114131");
m_Code128.Rows.Add("101", "FNC4", "CODEA", "CODEA", "311141");
m_Code128.Rows.Add("102", "FNC1", "FNC1", "FNC1", "411131");
m_Code128.Rows.Add("103", "StartA", "StartA", "StartA", "211412");
m_Code128.Rows.Add("104", "StartB", "StartB", "StartB", "211214");
m_Code128.Rows.Add("105", "StartC", "StartC", "StartC", "211232");
m_Code128.Rows.Add("106", "Stop", "Stop", "Stop", "2331112");
#endregion
}
/// <summary>
/// 获取128图形
/// </summary>
/// <param name="p_Text">文字</param>
/// <param name="p_Code">编码</param>
/// <returns>图形</returns>
public Bitmap GetCodeImage(string p_Text, Encode p_Code)
{
string _ViewText = p_Text;
string _Text = "";
IList<int> _TextNumb = new List<int>();
int _Examine = 0; //首位
switch (p_Code)
{
case Encode.Code128C:
_Examine = 105;
if (!((p_Text.Length & 1) == 0)) throw new Exception("128C长度必须是偶数");
while (p_Text.Length != 0)
{
int _Temp = 0;
try
{
int _CodeNumb128 = Int32.Parse(p_Text.Substring(0, 2));
}
catch
{
throw new Exception("128C必须是数字！");
}
_Text += GetValue(p_Code, p_Text.Substring(0, 2), ref _Temp);
_TextNumb.Add(_Temp);
p_Text = p_Text.Remove(0, 2);
}
break;
case Encode.EAN128:
_Examine = 105;
if (!((p_Text.Length & 1) == 0)) throw new Exception("EAN128长度必须是偶数");
_TextNumb.Add(102);
_Text += "411131";
while (p_Text.Length != 0)
{
int _Temp = 0;
try
{
int _CodeNumb128 = Int32.Parse(p_Text.Substring(0, 2));
}
catch
{
throw new Exception("128C必须是数字！");
}
_Text += GetValue(Encode.Code128C, p_Text.Substring(0, 2), ref _Temp);
_TextNumb.Add(_Temp);
p_Text = p_Text.Remove(0, 2);
}
break;
default:
if (p_Code == Encode.Code128A)
{
_Examine = 103;
}
else
{
_Examine = 104;
}
while (p_Text.Length != 0)
{
int _Temp = 0;
string _ValueCode = GetValue(p_Code, p_Text.Substring(0, 1), ref _Temp);
if (_ValueCode.Length == 0) throw new Exception("无效的字符集!" + p_Text.Substring(0, 1).ToString());
_Text += _ValueCode;
_TextNumb.Add(_Temp);
p_Text = p_Text.Remove(0, 1);
}
break;
}
if (_TextNumb.Count == 0) throw new Exception("错误的编码,无数据");
_Text = _Text.Insert(0, GetValue(_Examine)); //获取开始位
for (int i = 0; i != _TextNumb.Count; i++)
{
_Examine += _TextNumb[i] * (i + 1);
}
_Examine = _Examine % 103; //获得严效位
_Text += GetValue(_Examine); //获取严效位
_Text += "2331112"; //结束位
Bitmap _CodeImage = GetImage(_Text);
GetViewText(_CodeImage, _ViewText);
return _CodeImage;
}
/// <summary>
/// 获取目标对应的数据
/// </summary>
/// <param name="p_Code">编码</param>
/// <param name="p_Value">数值 A b 30</param>
/// <param name="p_SetID">返回编号</param>
/// <returns>编码</returns>
private string GetValue(Encode p_Code, string p_Value, ref int p_SetID)
{
if (m_Code128 == null) return "";
DataRow[] _Row = m_Code128.Select(p_Code.ToString() + "='" + p_Value + "'");
if (_Row.Length != 1) throw new Exception("错误的编码" + p_Value.ToString());
p_SetID = Int32.Parse(_Row[0]["ID"].ToString());
return _Row[0]["BandCode"].ToString();
}
/// <summary>
/// 根据编号获得条纹
/// </summary>
/// <param name="p_CodeId"></param>
/// <returns></returns>
private string GetValue(int p_CodeId)
{
DataRow[] _Row = m_Code128.Select("ID='" + p_CodeId.ToString() + "'");
if (_Row.Length != 1) throw new Exception("验效位的编码错误" + p_CodeId.ToString());
return _Row[0]["BandCode"].ToString();
}
/// <summary>
/// 获得条码图形
/// </summary>
/// <param name="p_Text">文字</param>
/// <returns>图形</returns>
private Bitmap GetImage(string p_Text)
{
char[] _Value = p_Text.ToCharArray();
int _Width = 0;
for (int i = 0; i != _Value.Length; i++)
{
_Width += Int32.Parse(_Value[i].ToString()) * (m_Magnify + 1);
}
Bitmap _CodeImage = new Bitmap(_Width, (int)m_Height);
Graphics _Garphics = Graphics.FromImage(_CodeImage);
//Pen _Pen;
int _LenEx = 0;
for (int i = 0; i != _Value.Length; i++)
{
int _ValueNumb = Int32.Parse(_Value[i].ToString()) * (m_Magnify + 1); //获取宽和放大系数
if (!((i & 1) == 0))
{
//_Pen = new Pen(Brushes.White, _ValueNumb);
_Garphics.FillRectangle(Brushes.White, new Rectangle(_LenEx, 0, _ValueNumb, (int)m_Height));
}
else
{
//_Pen = new Pen(Brushes.Black, _ValueNumb);
_Garphics.FillRectangle(Brushes.Black, new Rectangle(_LenEx, 0, _ValueNumb, (int)m_Height));
}
//_Garphics.(_Pen, new Point(_LenEx, 0), new Point(_LenEx, m_Height));
_LenEx += _ValueNumb;
}
_Garphics.Dispose();
return _CodeImage;
}
/// <summary>
/// 显示可见条码文字 如果小于40 不显示文字
/// </summary>
/// <param name="p_Bitmap">图形</param>
private void GetViewText(Bitmap p_Bitmap, string p_ViewText)
{
if (m_ValueFont == null) return;
Graphics _Graphics = Graphics.FromImage(p_Bitmap);
SizeF _DrawSize = _Graphics.MeasureString(p_ViewText, m_ValueFont);
if (_DrawSize.Height > p_Bitmap.Height - 10 || _DrawSize.Width > p_Bitmap.Width)
{
_Graphics.Dispose();
return;
}
int _StarY = p_Bitmap.Height - (int)_DrawSize.Height;
_Graphics.FillRectangle(Brushes.White, new Rectangle(0, _StarY, p_Bitmap.Width, (int)_DrawSize.Height));
_Graphics.DrawString(p_ViewText, m_ValueFont, Brushes.Black, 0, _StarY);
}
//12345678
//(105 + (1 * 12 + 2 * 34 + 3 * 56 + 4 *78)) % 103 = 47
//结果为starc +12 +34 +56 +78 +47 +end
internal Image GetCodeImage(string p)
{
throw new NotImplementedException();
}
}
这样一来，操作员手上没有多的条码，必须包装完成之后系统才会一对一的打印一份条码出来，完成一个产品的包装就贴一个条码，很大程度上面避免了条码混乱的问题.
已完成的部分功能
#1工单维护：这个一般都是由PMC完成的，PMC根据排期计划合理创建工单，如果企业上了SAP系统，也可以直接链接到SAP系统进行下载工单资料，这样就更方便了.
#2工单优先级：PMC在创建工单的时候会指定该信息，生产过程中系统会体现该信息，起到提示用户的目的，管理者可根据实际情况随时变更该信息。
#3工艺路线维护：工艺路线由 IE 完成，生产部根据 IE 制定的工艺路线进行生产，系统会检测每一个工序的通过情况，比如上一个工序没有做则不可以直接跳到下一个工序。
#4目检过站：操作扫描条码过站，必须按照 IE 制定的工艺路线进行，如果扫描的条码不在当前工序，则系统会提示当前条码的正确位置。
#5目检过站：系统会将不良品强制打入维修中心，在完成修理之前无法进行其它的操作。
#6组装动态装配：系统支持动态配置装配规则，不同的工单采用不同的规则进行装配，每一个装配条码可独立配置条码规则，比如长度、前缀等信息，防止用户输入错误。
#7FQC送检：系统采用 AQL 标准动态抽检，打破传统的抽检模式，由系统自动计算需要抽检的产品，同时也由系统自动根据 AQL 标准进行结果判定，有效帮助品质人员进行品质监控与管理。
#8FQC抽检：生产方面将产品以批次单位送检至QC，系统提示QC需要抽检的产品序列号，QC针对需要抽检的产品检测并录入抽检结果，系统根据抽检情况按照 AQL 自动判定.
#9包装规则：针对每个工单配置相应的包装规则，比如卡通箱容量、箱号长度、箱号前缀等信息，并上传卡通标签模板。
#10包装：包装规则配置完成之后，即可扫描条码进行包装了。
结束包装的时候，系统自动将标签打印出来.
#11不良品维修：生产过程中的不良都会被系统强制打入维修中心，必须经过修理之后才能进行其它工序。
#12不良预警：系统会自动监控指定生产线的不良情况，当不良情况达到了红色预警值，则触发警报，系统自动锁定当前生产线，由管理者分析不良原因并改善之后进行解除预警。
#13成品发货：成品发货过程中支持上传实物图片。
#14品质异常报告：用户发起品质异常，由工程部分析原因并给出改善，由QA确认是否可行。
#15部分报表：
#16电子看板：
结尾
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总结
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