[系统资源 ]的搜索结果

...更多情况下是为了提升系统的性能，而并非专用于事件的发布和订阅这一编程模型。而在这种情况下使用异步编程时，就需要进行更多的控制，比如当异步执行方法的方法结束时通知客户端、返回异步执行方法的返回值等。本节就对 BeginInvoke() 方法、EndInvoke() 方法和其相关的 IAysncResult 做一个简单的介绍。 我们先看这样一段代码，它演示了不使用异步调用的通常情况： class Program7{static void Main(string[] args){Console.WriteLine("Client application started!\n");Thread.CurrentThread.Name = "Main Thread";Calculator cal = new Calculator();int result = cal.Add(2, 5);Console.WriteLine("Result: {0}\n", result);// 做某些其它的事情，模拟需要执行3 秒钟for (int i = 1; i <= 3; i++){Thread.Sleep(TimeSpan.FromSeconds(i));Console.WriteLine("{0}: Client executed {1} second(s).", Thread.CurrentThread.Name, i);}Console.WriteLine("\nPress any key to exit...");Console.ReadLine();} }public class Calculator{public int Add(int x, int y){if (Thread.CurrentThread.IsThreadPoolThread){Thread.CurrentThread.Name = "Pool Thread";}Console.WriteLine("Method invoked!");// 执行某些事情，模拟需要执行2 秒钟for (int i = 1; i <= 2; i++){Thread.Sleep(TimeSpan.FromSeconds(i));Console.WriteLine("{0}: Add executed {1} second(s).", Thread.CurrentThread.Name, i);}Console.WriteLine("Method complete!");return x + y;} } 上面代码有几个关于对于线程的操作，如果不了解可以看一下下面的说明，如果你已经了解可以直接跳过： 1. Thread.Sleep()，它会让执行当前代码的线程暂停一段时间（如果你对线程的概念比较陌生，可以理解为使程序的执行暂停一段时间），以毫秒为单位，比如Thread.Sleep(1000)，将会使线程暂停1 秒钟。在上面我使用了它的重载方法，个人觉得使用TimeSpan.FromSeconds(1)，可读性更好一些。 2. Thread.CurrentThread.Name，通过这个属性可以设置、获取执行当前代码的线程的名称，值得注意的是这个属性只可以设置一次，如果设置两次，会抛出异常。 3. Thread.IsThreadPoolThread，可以判断执行当前代码的线程是否为线程池中的线程。 通过这几个方法和属性，有助于我们更好地调试异步调用方法。上面代码中除了加入了一些对线程的操作以外再没有什么特别之处。我们建了一个Calculator 类，它只有一个Add 方法，我们模拟了这个方法需要执行2 秒钟时间，并且每隔一秒进行一次输出。而在客户端程序中，我们使用result 变量保存了方法的返回值并进行了打印。随后，我们再次模拟了客户端程序接下来的操作需要执行2 秒钟时间。运行这段程序，会产生下面的输出： // Client application started! Method invoked! Main Thread: Add executed 1 second(s). Main Thread: Add executed 2 second(s). Method complete! Result: 7 Main Thread: Client executed 1 second(s). Main Thread: Client executed 2 second(s). Main Thread: Client executed 3 second(s). Press any key to exit... // 如果你确实执行了这段代码，会看到这些输出并不是一瞬间输出的，而是执行了大概5 秒钟的时间，因为线程是串行执行的，所以在执行完 Add() 方法之后才会继续客户端剩下的代码。 接下来我们定义一个AddDelegate 委托，并使用BeginInvoke()方法来异步地调用它。在上面已经介绍过，BeginInvoke()除了最后两个参数为AsyncCallback 类型和Object 类型以外，前面的参数类型和个数与委托定义相同。另外BeginInvoke()方法返回了一个实现了IAsyncResult 接口的对象（实际上就是一个AsyncResult 类型实例，注意这里IAsyncResult 和AysncResult 是不同的，它们均包含在.NET Framework 中）。 AsyncResult 的用途有这么几个：传递参数，它包含了对调用了BeginInvoke()的委托的引用；它还包含了BeginInvoke()的最后一个Object 类型的参数；它可以鉴别出是哪个方法的哪一次调用，因为通过同一个委托变量可以对同一个方法调用多次。 EndInvoke()方法接受IAsyncResult 类型的对象（以及ref 和out 类型参数，这里不讨论了，对它们的处理和返回值类似），所以在调用BeginInvoke()之后，我们需要保留IAsyncResult，以便在调用EndInvoke()时进行传递。这里最重要的就是EndInvoke()方法的返回值，它就是方法的返回值。除此以外，当客户端调用EndInvoke()时，如果异步调用的方法没有执行完毕，则会中断当前线程而去等待该方法，只有当异步方法执行完毕后才会继续执行后面的代码。所以在调用完BeginInvoke()后立即执行EndInvoke()是没有任何意义的。我们通常在尽可能早的时候调用BeginInvoke()，然后在需要方法的返回值的时候再去调用EndInvoke()，或者是根据情况在晚些时候调用。说了这么多，我们现在看一下使用异步调用改写后上面的代码吧： using System.Threading;using System;public delegate int AddDelegate(int x, int y);class Program8{static void Main(string[] args){Console.WriteLine("Client application started!\n");Thread.CurrentThread.Name = "Main Thread";Calculator cal = new Calculator();AddDelegate del = new AddDelegate(cal.Add);IAsyncResult asyncResult = del.BeginInvoke(2, 5, null, null); // 异步调用方法// 做某些其它的事情，模拟需要执行3 秒钟for (int i = 1; i <= 3; i++){Thread.Sleep(TimeSpan.FromSeconds(i));Console.WriteLine("{0}: Client executed {1} second(s).", Thread.CurrentThread.Name, i);}int rtn = del.EndInvoke(asyncResult);Console.WriteLine("Result: {0}\n", rtn);Console.WriteLine("\nPress any key to exit...");Console.ReadLine();} }public class Calculator{public int Add(int x, int y){if (Thread.CurrentThread.IsThreadPoolThread){Thread.CurrentThread.Name = "Pool Thread";}Console.WriteLine("Method invoked!");// 执行某些事情，模拟需要执行2 秒钟for (int i = 1; i <= 2; i++){Thread.Sleep(TimeSpan.FromSeconds(i));Console.WriteLine("{0}: Add executed {1} second(s).", Thread.CurrentThread.Name, i);}Console.WriteLine("Method complete!");return x + y;} } 此时的输出为： // Client application started! Method invoked! Main Thread: Client executed 1 second(s). Pool Thread: Add executed 1 second(s). Main Thread: Client executed 2 second(s). Pool Thread: Add executed 2 second(s). Method complete! Main Thread: Client executed 3 second(s). Result: 7 Press any key to exit... // 现在执行完这段代码只需要3 秒钟时间，两个for 循环所产生的输出交替进行，这也说明了这两段代码并行执行的情况。可以看到Add() 方法是由线程池中的线程在执行， 因为Thread.CurrentThread.IsThreadPoolThread 返回了True，同时我们对该线程命名为了Pool Thread。另外我们可以看到通过EndInvoke()方法得到了返回值。有时候，我们可能会将获得返回值的操作放到另一段代码或者客户端去执行，而不是向上面那样直接写在BeginInvoke()的后面。比如说我们在Program 中新建一个方法GetReturn()，此时可以通过AsyncResult 的AsyncDelegate 获得del 委托对象，然后再在其上调用EndInvoke()方法，这也说明了AsyncResult 可以唯一的获取到与它相关的调用了的方法（或者也可以理解成委托对象）。所以上面获取返回值的代码也可以改写成这样： private static int GetReturn(IAsyncResult asyncResult){AsyncResult result = (AsyncResult)asyncResult;AddDelegate del = (AddDelegate)result.AsyncDelegate;int rtn = del.EndInvoke(asyncResult);return rtn;} 然后再将int rtn = del.EndInvoke(asyncResult);语句改为int rtn = GetReturn(asyncResult);。注意上面IAsyncResult 要转换为实际的类型AsyncResult 才能访问AsyncDelegate 属性，因为它没有包含在IAsyncResult 接口的定义中。 BeginInvoke 的另外两个参数分别是AsyncCallback 和Object 类型，其中AsyncCallback 是一个委托类型，它用于方法的回调，即是说当异步方法执行完毕时自动进行调用的方法。它的定义为： // public delegate void AsyncCallback(IAsyncResult ar); // Object 类型用于传递任何你想要的数值，它可以通过IAsyncResult 的AsyncState 属性获得。下面我们将获取方法返回值、打印返回值的操作放到了OnAddComplete()回调方法中： using System.Threading;using System;using System.Runtime.Remoting.Messaging;public delegate int AddDelegate(int x, int y);class Program9{static void Main(string[] args){Console.WriteLine("Client application started!\n");Thread.CurrentThread.Name = "Main Thread";Calculator cal = new Calculator();AddDelegate del = new AddDelegate(cal.Add);string data = "Any data you want to pass.";AsyncCallback callBack = new AsyncCallback(OnAddComplete);del.BeginInvoke(2, 5, callBack, data); // 异步调用方法// 做某些其它的事情，模拟需要执行3 秒钟for (int i = 1; i <= 3; i++){Thread.Sleep(TimeSpan.FromSeconds(i));Console.WriteLine("{0}: Client executed {1} second(s).", Thread.CurrentThread.Name, i);}Console.WriteLine("\nPress any key to exit...");Console.ReadLine();}static void OnAddComplete(IAsyncResult asyncResult){AsyncResult result = (AsyncResult)asyncResult;AddDelegate del = (AddDelegate)result.AsyncDelegate;string data = (string)asyncResult.AsyncState;int rtn = del.EndInvoke(asyncResult);Console.WriteLine("{0}: Result, {1}; Data: {2}\n", Thread.CurrentThread.Name, rtn, data);} }public class Calculator{public int Add(int x, int y){if (Thread.CurrentThread.IsThreadPoolThread){Thread.CurrentThread.Name = "Pool Thread";}Console.WriteLine("Method invoked!");// 执行某些事情，模拟需要执行2 秒钟for (int i = 1; i <= 2; i++){Thread.Sleep(TimeSpan.FromSeconds(i));Console.WriteLine("{0}: Add executed {1} second(s).", Thread.CurrentThread.Name, i);}Console.WriteLine("Method complete!");return x + y;} } 它产生的输出为： Client application started! Method invoked! Main Thread: Client executed 1 second(s). Pool Thread: Add executed 1 second(s). Main Thread: Client executed 2 second(s). Pool Thread: Add executed 2 second(s). Method complete! Pool Thread: Result, 7; Data: Any data you want to pass. Main Thread: Client executed 3 second(s). Press any key to exit... 这里有几个值得注意的地方： 1、我们在调用BeginInvoke()后不再需要保存IAysncResult 了，因为AysncCallback 委托将该对象定义在了回调方法的参数列表中； 2、我们在OnAddComplete()方法中获得了调用BeginInvoke()时最后一个参数传递的值，字符串“Any data you want to pass”； 3、执行回调方法的线程并非客户端线程Main Thread，而是来自线程池中的线程Pool Thread。另外如前面所说，在调用EndInvoke()时有可能会抛出异常，所以在应该将它放到try/catch 块中，这里就不再示范了。 1.8 总结 我们详细地讨论了C中的委托和事件，包括什么是委托、为什么要使用委托、事件的由来、.NET Framework 中的委托和事件、委托中方法异常和超时的处理、委托与异步编程、委托和事件对Observer 设计模式的意义。拥有了本章的知识，相信你以后遇到委托和事件时，将不会再有所畏惧。 本篇文章为转载内容。原文链接：https://blog.csdn.net/beyonddeg/article/details/53528482。 该文由互联网用户投稿提供，文中观点代表作者本人意见，并不代表本站的立场。 作为信息平台，本站仅提供文章转载服务，并不拥有其所有权，也不对文章内容的真实性、准确性和合法性承担责任。 如发现本文存在侵权、违法、违规或事实不符的情况，请及时联系我们，我们将第一时间进行核实并删除相应内容。

...删除相应内容。 报表系统 　　　　　　　　　　　　　　　　　　　　　 使用说明 　　　　　　　　　　　　　　　　　　　　 （ver 1.3.7.0） 一、概述： B/S应用系统的报表打印一直以来都是一个难题，以前常规的思路是通过在浏览器中安装ActiveX插件以获得直接驱动打印机的能力。 但是，随着浏览器的发展，越来越多的浏览器厂商禁止安装ActiveX，以避免因ActiveX组件导致的各种安全问题。 为解决B/S打印中的痛点，我工作室开发了本报表服务器，完美地解决了在浏览器端不用ActiveX而获得与C/S系统一样的打印能力。 本报表系统不需要在浏览器安装任何插件，只需通过JavaScript即可实现报表精确打印以及打印过程免人工介入。 ------------- 二、特点： 1、高兼容：不需要在浏览器端和服务端安装任何插件，在浏览器插件被各大浏览器纷纷禁用的今天，无插件设计兼容绝大多数浏览器； 2、免安装：软件即拷即用，不安装，不污染操作系统，让操作系统历久弥新； 3、可视化：可视化的模板设计器，通过拖拽即可完成模板设计； 4、高精度：实现精确到毫米的打印精度，对于一些格式复杂，要求精确打印的场合，可以很容易达到毫米级精度； 5、易套打：可视化的模板设计器，在模板中加入一个票据格式的底图，可以很方便地实现套打，对于实现发票、快递面单、支票等打印毫无压力； 6、功能强：从简单报表、主从报表到嵌套报表甚至交叉报表，均能轻松应对。还有一维二维条形码，甚至，还有逆天的脚本功能，只有想不到，没有做不到； 7、自动化: 打印过程中全部自动化，无需象生成PDF、Word、Excel那样还需要人工再点打印； 8、易部署：打印模板既可以部署在客户端（与 cfprint.exe 程序放在同一目录下），也支持部署在服务端随报表数据一起传到客户端； 9、目标活：支持在数据文件中或模板中指定要输出的打印机，发票用针打、报表用激光打、小票用小票机，专机专打； 三、使用前提条件： 1、IE6以上版本、Chrome(谷歌浏览器)4.0以上版本、Firefox 4.0以上版本、Opera 11以上版本、Safari 5.0.2以上版本、iOS 4.2以上版本 或使用Chrome内核、Firefox内核的浏览器均可直接使用本打印系统； 2、在进行打印前，需要先设计好打印模板（模板设计器请见第五节）； 3、打印数据必须Json的格式发送给打印服务器，并且数据必须满足指定的格式（见下文）； 四、数据格式说明： 下面以一个跨境电商快递面单数据为例解释一下数据各项的含义; { "template": "waybill.fr3", /打印模板文件名。除了指定模板文件以外，还支持把模板嵌入到数据文件中，以实现在服务器端灵活使用打印模板，格式如下：/ /"template": "base64:QTBBRTNEQTE3MkFFQjIzNEFERD<后面省略>" / "ver": 4, /数据模板文件版本/ "Copies": 3, /打印份数，支持指定打印份数/ "Duplex": 1, /是否双面打印，0：默认，不双面，1：垂直，2：水平，3：单面打印(simplex)/ "Printer": "priPrinter", /指定打印机，本系统支持在数据文件中指定打印机，也支持在打印模板中指定打印机/ "PageNumbers": "", /要打印的页码范围，同打印机的打印设置里的格式相同，例如："1,2,3"表示打印前3页， “2-5”:表示打印第2到5页，“1,2,4-8”表示打印第1、2、4到8页/ "Preview": 1, /是否预览，跟主界面上选择“预览”效果相同，取值为0：不预览，1：预览/ "Tables":[ /数据表数组/ { "Name": "Table1", /表名/ "Cols": [ /字段定义/ { "type": "str", /字段类型，可选值：String,Str,Integer,Int,Smallint,Float,Long, Blob，/ /对于图片、PDF等使用Blob类型，并把值进行Base64编码，并加前缀：/ / "base64/pdf:" 字段值是PDF; "base64/jpg:" 字段值是jpg; "base64/png:" 字段值是png; "base64/gif:" 字段值是gif; / "size": 255, /字段长度/ "name": "HAWB", /字段名称，必须与打印模板中的打印项名称相同/ "required": false /字段是否必填/ }, { "type": "int", "size": 0, "name": "NO", "required": false }, { "type": "float", "size": 0, "name": "报关公司面单号", "required": false }, { "type": "integer", "size": 0, "name": "公司内部单号", "required": false }, { "type": "str", "size": 255, "name": "发件人", "required": false }, { "type": "str", "size": 255, "name": "发件人地址", "required": false }, { "type": "str", "size": 255, "name": "发件人电话", "required": false }, { "type": "str", "size": 255, "name": "发货国家", "required": false }, { "type": "str", "size": 255, "name": "收件人", "required": false }, { "type": "str", "size": 255, "name": "收件人地址", "required": false }, { "type": "str", "size": 255, "name": "收件人电话", "required": false }, { "type": "str", "size": 255, "name": "收货人证件号码", "required": false }, { "type": "str", "size": 255, "name": "收货省份", "required": false }, { "type": "float", "size": 0, "name": "总计费重量", "required": false }, { "type": "int", "size": 0, "name": "总件数", "required": false }, { "type": "float", "size": 0, "name": "申报总价（CNY）", "required": false }, { "type": "float", "size": 0, "name": "申报总价（JPY）", "required": false }, { "type": "int", "size": 0, "name": "件数1", "required": false }, { "type": "str", "size": 255, "name": "品名1", "required": false }, { "type": "float", "size": 0, "name": "单价1（JPY）", "required": false }, { "type": "str", "size": 255, "name": "单位1", "required": false }, { "type": "float", "size": 0, "name": "申报总价1（CNY）", "required": false }, { "type": "float", "size": 0, "name": "申报总价1（JPY）", "required": false }, { "type": "int", "size": 0, "name": "件数2", "required": false }, { "type": "str", "size": 255, "name": "品名2", "required": false }, { "type": "float", "size": 0, "name": "单价2（JPY）", "required": false }, { "type": "str", "size": 255, "name": "单位2", "required": false }, { "type": "float", "size": 0, "name": "申报总价2（CNY）", "required": false }, { "type": "float", "size": 0, "name": "申报总价2（JPY）", "required": false }, { "type": "AutoInc", "size": 0, "name": "ID", "required": false }, { "type": "blob", "size": 0, "name": "附件", "required": false } ], "Data": [ /数据行定义，每一行含义见上面的字段定义/ { "HAWB": "860014010055", "NO": 1, "报关公司面单号": 200303900791, "公司内部单号": 730293, "发件人": "NAKAGAWA SUMIRE 2", "发件人地址": " 991-199-113,Kameido,Koto-ku,Tokyo", "发件人电话": "03-3999-3999", "发货国家": "日本", "收件人": "张三丰", "收件人地址": "上海市闵行区虹梅南路1660弄蔷薇八村99号9999室", "收件人电话": "182-1234-8888", "收货人证件号码": null, "收货省份": null, "总计费重量": 3.2, "总件数": 13, "申报总价（CNY）": null, "申报总价（JPY）": null, "件数1": 10, "品名1": "纸尿片", "单价1（JPY）": null, "单位1": null, "申报总价1（CNY）": null, "申报总价1（JPY）": null, "件数2": null, "品名2": null, "单价2（JPY）": null, "单位2": null, "申报总价2（CNY）": null, "申报总价2（JPY）": null, "ID": 1, "附件": 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} ] }, { "Name": "Table2", "Cols": [ { "type": "int", "size": 0, "name": "NO", "required": false }, { "type": "float", "size": 0, "name": "订单编号", "required": false }, { "type": "integer", "size": 0, "name": "下单日期", "required": false }, { "type": "str", "size": 255, "name": "下单平台", "required": false } ], "Data": [ { "NO": 1, "订单编号": 200303900791, "下单日期": "2017-01-20", "下单平台": "天猫" }, { "NO": 2, "订单编号": 200303900792, "下单日期": "2017-01-20", "下单平台": "京东" } ] } ] } 五、调用示例： <!-- ★★★ 模式1 ★★★ --> <!DOCTYPE html> <head> <meta charset="utf-8" /> <title>康虎云报表系统测试</title> </head> <body> <div style="width: 100%;text-align:center;"> <h2>康虎云报表系统</h2> <h3>打印测试（模式1）</h3> <div> <input type="button" id="btnPrint" value="打印" onClick="doSend(_reportData);" /> </div> </div> <div id="output"></div> </body> <script type="text/javascript"> //定义数据脚本 var _reportData = '{"template":"waybill.fr3","Cols":[{"type":"str","size":255,"name":"HAWB","required":false},<这里省略1000字> ]}'; //在浏览器控制台输出调试信息 console.log("reportData = " + _reportData); </script> <script language="javascript" type="text/javascript" src="cfprint.min.js"></script> <script language="javascript" type="text/javascript" src="cfprint_ext.js"></script> <script language="javascript" type="text/javascript"> /下面四个参数必须放在myreport.js脚本后面，以覆盖myreport.js中的默认值/ var _delay_send = 1000; //发送打印服务器前延时时长，-1则表示不自动打印 var _delay_close = 1000; //打印完成后关闭窗口的延时时长, -1则表示不关闭 var cfprint_addr = "127.0.0.1"; //打印服务器监听地址 var cfprint_port = 54321; //打印服务器监听端口 </script> </html> <!-- ★★★ 模式2 ★★★ --> <?php //如果有php运行环境，只需把该文件扩展名改成 .php，然后上传到web目录即可在真实服务器上测试 header("Access-Control-Allow-Origin: "); ?> <!DOCTYPE html> <head> <meta charset="utf-8" /> <title>康虎云报表系统测试</title> <style type="text/css"> output {font-size: 12px; background-color:F0FFF0;} </style> </head> <body> <div style="width: 100%;text-align:center;"> <h2>康虎云报表系统（Ver 1.3.0）</h2> <h3>打印测试（模式2）</h3> <div style="line-height: 1.5;"> <div style="width: 70%; text-align: left;"> <b>一、首先按下列步骤设置：</b><br/> 1、运行打印服务器；<br/> 2、按“停止”按钮停止服务；<br/> 3、打开“设置”区；<br/> 4、在“常用参数-->服务模式”中，选择“模式2”；<br/> 5、按“启动”按钮启动服务。 </div> <div style="width: 70%; text-align: left;"> <b>二、按本页的“打印”按钮开始打印。</b><br/> </div><br/> <input type="button" id="btnPrint" value="打印" /><br/><br/> <div style="width: 70%; text-align: left; font-size: 12px;"> 由于JavaScript在不同域名下访问会出现由来已久的跨域问题，所以正式部署到服务器使用时，要解决跨域问题。<br/> 对于IE8以上版本浏览器，只需增加一个reponse头：Access-Control-Allow-Origin即可，而对于php、jsp、asp/aspx等动态语言而言，增加一个response头是非常简单的事，例如：<br/> <b>在php：</b><br/><span style="color: red;"> <?php <br/> header("Access-Control-Allow-Origin: ");<br/> ?><br/> </span> <b>在jsp：</b><br/><span style="color: red;"> <% <br/> response.setHeader("Access-Control-Allow-Origin", ""); <br/> %><br/> </span> <b>在asp.net中：</b><br/><span style="color: red;"> Response.AppendHeader("Access-Control-Allow-Origin", ""); </span>，<br/>其他语言里，大家请自行搜索“ajax跨域”。而对于IE8以下的浏览器，大家可以自行搜索“IE6+Ajax+跨域”寻找解决办法吧，也可以联系我们帮助。 </div> </div> </div> <div id="output"></div> </body> <!-- 引入模式2所需的javascript支持库 --> <script type="text/javascript" src="cfprint_mode2.min.js" charset="UTF-8"></script> <!-- 构造报表数据 --> <script type="text/javascript"> var _reportData = '{"template":"waybill.fr3","ver":3, "Tables":[ {"Name":"Table1", "Cols":[{"type":"str","size":255,"name":"HAWB","required":false},{"type":"int","size":0,"name":"NO","required":false},{"type":"float","size":0,"name":"报关公司面单号","required":false},{"type":"integer","size":0,"name":"公司内部单号","required":false},{"type":"str","size":255,"name":"发件人","required":false},{"type":"str","size":255,"name":"发件人地址","required":false},{"type":"str","size":255,"name":"发件人电话","required":false},{"type":"str","size":255,"name":"发货国家","required":false},{"type":"str","size":255,"name":"收件人","required":false},{"type":"str","size":255,"name":"收件人地址","required":false},{"type":"str","size":255,"name":"收件人电话","required":false},{"type":"str","size":255,"name":"收货人证件号码","required":false},{"type":"str","size":255,"name":"收货省份","required":false},{"type":"float","size":0,"name":"总计费重量","required":false},{"type":"int","size":0,"name":"总件数","required":false},{"type":"float","size":0,"name":"申报总价（CNY）","required":false},{"type":"float","size":0,"name":"申报总价（JPY）","required":false},{"type":"int","size":0,"name":"件数1","required":false},{"type":"str","size":255,"name":"品名1","required":false},{"type":"float","size":0,"name":"单价1（JPY）","required":false},{"type":"str","size":255,"name":"单位1","required":false},{"type":"float","size":0,"name":"申报总价1（CNY）","required":false},{"type":"float","size":0,"name":"申报总价1（JPY）","required":false},{"type":"int","size":0,"name":"件数2","required":false},{"type":"str","size":255,"name":"品名2","required":false},{"type":"float","size":0,"name":"单价2（JPY）","required":false},{"type":"str","size":255,"name":"单位2","required":false},{"type":"float","size":0,"name":"申报总价2（CNY）","required":false},{"type":"float","size":0,"name":"申报总价2（JPY）","required":false},{"type":"int","size":0,"name":"件数3","required":false},{"type":"str","size":255,"name":"品名3","required":false},{"type":"float","size":0,"name":"单价3（JPY）","required":false},{"type":"str","size":255,"name":"单位3","required":false},{"type":"float","size":0,"name":"申报总价3（CNY）","required":false},{"type":"float","size":0,"name":"申报总价3（JPY）","required":false},{"type":"int","size":0,"name":"件数4","required":false},{"type":"str","size":255,"name":"品名4","required":false},{"type":"float","size":0,"name":"单价4（JPY）","required":false},{"type":"str","size":255,"name":"单位4","required":false},{"type":"float","size":0,"name":"申报总价4（CNY）","required":false},{"type":"float","size":0,"name":"申报总价4（JPY）","required":false},{"type":"int","size":0,"name":"件数5","required":false},{"type":"str","size":255,"name":"品名5","required":false},{"type":"float","size":0,"name":"单价5（JPY）","required":false},{"type":"str","size":255,"name":"单位5","required":false},{"type":"float","size":0,"name":"申报总价5（CNY）","required":false},{"type":"float","size":0,"name":"申报总价5（JPY）","required":false},{"type":"str","size":255,"name":"参考号","required":false},{"type":"AutoInc","size":0,"name":"ID","required":false}],"Data":[{"公司内部单号":730293,"发货国家":"日本","单价1（JPY）":null,"申报总价2（JPY）":null,"单价4（JPY）":null,"申报总价2（CNY）":null,"申报总价5（JPY）":null,"报关公司面单号":200303900791,"申报总价5（CNY）":null,"收货人证件号码":null,"申报总价1（JPY）":null,"单价3（JPY）":null,"申报总价1（CNY）":null,"申报总价4（JPY）":null,"申报总价4（CNY）":null,"收件人电话":"182-1758-9999","收件人地址":"上海市闵行区虹梅南路1660弄蔷薇八村139号502室","HAWB":"860014010055","发件人电话":"03-3684-9999","发件人地址":" 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