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swift4.1 系统学习十一 闭包

// // main.swift // swift11(闭包) // // Created by iOS on 2018/10/10. // Copyright © 2018年 weiman. All rights reserved. // import Foundation /* 闭包 闭包是swift中比较重要的一部分内容,也是个人认为比较难以理解的内容,也可能是之前没有 细细的研究的缘故。 1.闭包的概念 闭包是将一个函数与执行环境存放在一起的一条记录。 名字绑定:当闭包被创建的时候,它会将它所在的函数中的局部对象与它自己的执行环境中的对象名做一个值或者 引用的关联映射。这就是“名字绑定”。 捕获:如果闭包访问了它所在函数的局部对象,那么我们称它“捕获”了该局部对象。 注意: 由于闭包有自己的执行环境,我们称为上下文,因此即便当它所在的函数被返回值后,该闭包依然能正常调用。 问题:那么闭包什么时候被销毁呢? 我们之前提到过,捕获外部函数局部对象的嵌套函数属于命名闭包,它也是个闭包。但是,函数、闭包和方法还是各自独立的更好些。 */ do { func foo() { print("这是一个函数") } g_func = foo CTest() //打印结果: 这是一个函数 func boo() { var a = 10 func inner() { print("这是一个内部函数") } g_func = inner CTest() func closure() { a += 10 print("closure a = \(a)") } // 报错:A C function pointer cannot be formed from a local function that captures context // 函数指针不能指向闭包 //g_func = closure g_func = { print("哈哈哈哈哈") } CTest() struct MyStruct { let a: Int, b: Double func method() { print("a = \(a), b = \(b)") } static func typeMethod() { print("这是一个结构体") } } // 报错:A C function pointer can only be formed from a reference to a 'func' or a literal closure // g_func = MyStruct.typeMethod let obj = MyStruct(a: 10, b: 100.0) // 报错:A C function pointer can only be formed from a reference to a 'func' or a literal closure // g_func = obj.method } boo() /* 小结: 一个C函数指针对象只能指向一般的函数,包括不捕获其外部函数局部对象的嵌套函数,以及不捕获其外部函数局部对象的闭包。 */ } // 2. 闭包的定义与调用 /* 在swift中,一个闭包又称为“闭包表达式”。 基本语法形式: _ = { (参数1: 参数类型, 参数2: 参数类型....) -> 返回值类型 in 闭包执行代码 } */ do { _ = { () -> Void in print("这是一个简单的无参数的无返回值的闭包") } _ = { (a: Int) -> Void in print("这是一个有参数,无返回值的闭包,参数:a = \(a)") } // 有参数,有返回值的闭包,返回值是 () -> Void _ = { (a: Int, b: Int) -> () -> Void in let sum = a + b var x = sum * 2 return { () -> Void in print("sum = \(sum)") x += sum } } } // 闭包的调用 // 闭包的调用与函数的调用一样,可以直接在闭包表达式的后面使用函数调用操作符,形成完整的函数调用表达式。 do { print("\n ----------- 闭包的调用-------------") _ = { () -> Void in print("无参数无返回值的闭包") } () _ = { (a: Int) -> Void in print("a = \(a)") } (10) } // 3. 闭包表达式的简略表达(重点哟) /* 因为swift语言强大的类型推导特性,我们可以将闭包表达式简化。 */ do { //1.缺省返回类型的表达式 /* 如果一个函数的返回类型省略,则函数的返回类型就是Void,但是,如果闭包的返回类型省略, 则不一定是Void。 */ let ref = { (a: Int, b: Int) in return a + b } print("value = \(ref(1, 2))") // 结果: value = 3 // 上述闭包表达式中,返回值就是 (Int, Int)-> Int 类型 //2.缺省参数类型的闭包表达式 // swift不仅能够推导出闭包的返回值类型,还能推导出参数的类型,因此,闭包的形参也是可以省略的。 // 并且小括号也是可以省略的。如果闭包形参列表的圆括号省略了,那么每个形参的类型都必须缺省。 var ref2: (Int, Int) -> Int = { a, b in return a + b } print("1: \(ref2(2, 3))") ref2 = { a, b -> Int in return a + b } print("2: \(ref2(4, 6))") ref2 = { (a, b: Int) in return a + b } print("3: \(ref2(4, 5))") // 3. 缺省return关键字 // 如果闭包表达式中其执行语句只有一个单独的 return语句构成,那么关键字return也可以缺省 let ref3: (Int, Int) -> Int = { a, b in a + b } print("value = \(ref3(1, 1))") // 返回值是一个元组的第二个元素 print("\n") let ref4 = { (a: Int) -> Int in (print("a = \(a)"), a + 1).1 } print("value2 = \(ref4(3))") // 4. 省略 in 关键字 // 如果一个闭包确定其每个形参的类型以及返回类型,那么该表达式中连 in 关键字都能缺省。 // 当我们要引用其形参时使用 $ 符号加上形参索引:第一个形参的索引值为0,第二个索引值为1,后续参数 // 依次类推。 print("\n") var r: (Int, Int) -> Int = { $0 + $1 } print("value: \(r(3, 3))") let r2 = { print("hello") } r2() r = { print("第一个参数: \($0)") print("第二个参数: \($1)") return $0 + $1 } print("result: \(r(5, 8))") let r3: (Int) -> Void = { print("参数: \($0)") let a = $0 * $0 print("a = \(a)") } r3(5) } // 4. 尾随闭包 /* 如果一个闭包表达式作为函数调用的最后一个实参,那么我们可以采用“尾随闭包”语法糖。 */ do { print("\n ----------尾随闭包---------------") func foo(_ a: Int, callback: (Int) -> Void) { callback(a) } foo(10) { (aa) in print("参数是 \(aa)") } //或者简写 foo(12, callback: { print("参数: \($0)")}) //尾随闭包, 这个时候callback标签必须省略 foo(14){ print("参数是: \($0)") } func boo (_ a: Int, _ b: Int, callback: ((Int, Int) -> Int)?) { if let callback = callback { let value = callback(a, b) print("value = \(value)") } } boo(2, 3) { (a: Int, b: Int) -> Int in return a * a + b * b } } // 5. 捕获局部对象与闭包执行上下文 // 闭包所捕获的对象是按照引用进行捕获的,同时闭包本身是一个引用对象。 do { print("\n ----------捕获局部对象与闭包执行上下文---------------") var a = [1, 2, 3] var b = a a[0] += 10 print("a = \(a)") // 结果: a = [11, 2, 3] func foo() { var a = 10 let closure = { print("a = \(a)") } closure() a += 10 closure() } foo() /* 结果: a = 10 a = 20 */ func boo() -> () -> Void { var x = 10 return { x += 10 print("x = \(x)") } } var closure = boo() var ref = closure closure() ref() closure() /* 结果: x = 20 x = 30 x = 40 */ // 重新赋值后再次调用 ref = boo() closure() ref() /* 结果: x = 50 x = 20 */ /* 小结: 上述实例证明了闭包属于引用类型,闭包所捕获的外部局部对象也是以引用的方式 捕获的。 */ } // 6. 逃逸闭包 /* 如果我们定义了一个函数,它有一个形参为函数类型,如果在此函数中将通过异步的方式调用该函数引用对象, 那么我们需要将此函数类型声明为“逃逸的”,以表示该函数类型的形参对象将可能在函数调用操作结束后的某一 时刻才会被调用。 */ do { print("\n --------逃逸闭包----------") var ref: (() -> Void)! func foo(closure: @escaping () -> Void) { ref = closure } foo { print("你好") } ref() } // 7. 自动闭包 /* 自动闭包也是swift中的一个语法糖。如果一个函数的某个形参为函数类型,并且不含有任何形参,那么我们 就可以将此参数声明为“自动闭包”。 */ do { print("\n---------自动闭包----------") func foo(closure: () -> Void) { closure() } foo { print("简单的闭包") } func boo(auto closure: @autoclosure () -> Void) { closure() } boo(auto: print("这是个自动闭包")) func doo() { let a = 1, b = -1 func isLarger(compare: @autoclosure () -> Bool) -> Bool { return compare() } let result = isLarger(compare: a > b) print("result: \(result)") } doo() /* 小结: 不推荐各位在制作公共的API的时候使用自动闭包。 */ } 辅助文件: // // Test.h // swift11(闭包) // // Created by iOS on 2018/10/10. // Copyright © 2018年 weiman. All rights reserved. // #import <Foundation/Foundation.h> NS_ASSUME_NONNULL_BEGIN @interface Test : NSObject extern void (^ _Nullable g_block)(void); // 指向函数的指针 extern void (* _Nullable g_func)(void); extern void CTest(void); @end NS_ASSUME_NONNULL_END // // Test.m // swift11(闭包) // // Created by iOS on 2018/10/10. // Copyright © 2018年 weiman. All rights reserved. // #import "Test.h" @implementation Test void (^ g_block)(void) = NULL; void (* g_func)(void) = NULL; void CTest(void) { if (g_block != NULL) { g_block(); } if (g_func != NULL) { g_func(); } } @end

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Mac系统下安装和卸载HomeBrew的方法

安装命令如下: /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" 卸载命令如下: /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall)" 当brew安装成功后,就可以随意安装自己想要的软件了,例如wget,命令如下: brew install wget 卸载的话,命令如下: brew uninstall wget 查看安装软件的话,命令如下: brew search /go*/ 注意/go*/是使用的正则表达式,用/分割。 它的用法 brew update 更新brew; brew install {应用名,如git} 安装软件 brew cask install {应用名,如git} 也是下载安装,与上面的区别,请查看https://www.zhihu.com/question/22624898 更多用法请 brew help

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Django 搭建CMDB系统完整[12](软件资产、厂商)

search_software.html {% extends 'base.html' %} {% block title %} <script type="text/javascript" src="/static/scripts/jquery/jquery-1.7.1.js"></script> <link href="/static/style/authority/basic_layout.css" rel="stylesheet" type="text/css"> <link href="/static/style/authority/common_style.css" rel="stylesheet" type="text/css"> <script type="text/javascript" src="/static/scripts/authority/commonAll.js"></script> <script type="text/javascript" src="/static/scripts/fancybox/jquery.fancybox-1.3.4.js"></script> <script type="text/javascript" src="/static/scripts/fancybox/jquery.fancybox-1.3.4.pack.js"></script> <link rel="stylesheet" type="text/css" href="/static/style/authority/jquery.fancybox-1.3.4.css" media="screen"></link> <script type="text/javascript" src="/static/scripts/artDialog/artDialog.js?skin=default"></script> <div id="container"> <div class="ui_content"> <div class="ui_text_indent"> <div id="box_border"> <div id="box_top">搜索</div> 软件名字<input type="text" id="mname" name="mname" value="{{ mname }}" class="ui_input_txt02" /> </div> <div id="box_top">新增/编辑</div> <form id="submitForm" name="submitForm" method="post" action="add_software.html"> <input type="hidden" id="softwareid" name="softwareid"/> 软件名字<input type="text" id="softwarename" name="softwarename" class="ui_input_txt02" /> 授权数<input type="text" id="softwarelicense_num" name="softwarelicense_num" class="ui_input_txt02" /> 版本号<input type="text" id="softwareversion" name="softwareversion" class="ui_input_txt02" /> </div> <div id="box_bottom"> <div class="pagination"> <span class="current"> {% if softwarelist.has_previous %} <a href="javascript:void(0)" onclick="search_software({{ softwarelist.previous_page_number }});">上一页</a> {% endif %} <span class="current"> Page {{ softwarelist.number }} of {{ softwarelist.paginator.num_pages }}. </span> {% if softwarelist.has_next %} <a href="javascript:void(0)" onclick="search_software({{ softwarelist.next_page_number }});">下一页</a> {% endif %} </span> </div> <input type="button" value="查询" class="ui_input_btn01" onclick="search_software(1);"/> <input type="submit" value="新增" class="ui_input_btn01" /> <input type="button" value="编辑" class="ui_input_btn01" onclick="edit_software({{ softwarelist.number }});" /> <input type="button" value="删除" class="ui_input_btn01" onclick="batdel_software();" /> <input type="button" value="导出EXCEL" class="ui_input_btn01" onclick="excel_software();" /> </div> </form> </div> </div> {% endblock %} {% block content %} <div class="ui_content"> <div class="ui_tb"> <table class="table" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"> <tr> <th width="30"><input type="checkbox" id="id" name="id" /> </th> <th>软件名字</th> <th>授权数</th> <th>版本号</th> <th>操作</th> </tr> {% for mr in softwarelist.object_list %} <tr> <td><input type="checkbox" name="idcheck" value={{ mr.id }} class="acb" /></td> <td>{{ mr.name }}</td> <td>{{ mr.license_num }}</td> <td>{{ mr.version }}</td> <td> <a href="javascript:void(0)" onclick="edit_mr('{{ mr.id }}','{{ mr.name }}','{{ mr.license_num }}','{{ mr.version }}')" class="edit">编辑</a> <a href="javascript:void(0)" onclick="del_software({{ mr.id }},{{ softwarelist.number }});">删除</a> </td> </tr> {% endfor %} </table> </div> </div> </div> <script type="text/javascript"> function search_software(page){ var text1 = document.getElementById("mname").value; var myurl="search_software.html"+"?"+"mname="+text1+"&&page="+page; window.location.assign(encodeURI(myurl)) } function edit_mr(id,name,license_num,version){ document.getElementById("softwareid").value=id; document.getElementById("softwarename").value=name; document.getElementById("softwarelicense_num").value=license_num; document.getElementById("softwareversion").value=version; } function edit_software(page){ var text1 = document.getElementById("mname").value; id=document.getElementById("softwareid").value; name=document.getElementById("softwarename").value; license_num=document.getElementById("softwarelicense_num").value; version=document.getElementById("softwareversion").value; var myurl="edit_software.html"+"?"+"id="+id+"&&name="+name+"&&license_num="+license_num+"&&version="+version+"&&mname="+text1+"&&page="+page; window.location.assign(encodeURI(myurl)) } function del_software(id,page){ if(window.confirm('确定要删除该记录吗?')){ var text1= document.getElementById("mname").value; var myurl="del_software.html"+"?"+"id="+id+"&&mname="+text1+"&&page="+page; window.location.assign(encodeURI(myurl)) return true; }else{ //alert("取消"); return false; } } function batdel_software(){ if(window.confirm('确定要删除记录吗?')){ obj = document.getElementsByName("idcheck"); var text1= document.getElementById("mname").value; check_val = []; for(k in obj){ if(obj[k].checked) check_val.push(obj[k].value); } var myurl="batdel_software.html"+"?"+"ids="+check_val+"&&mname="+text1; window.location.assign(encodeURI(myurl)) return true; }else{ return false; } } function excel_software(){ var text1 = document.getElementById("mname").value; var myurl="excel_software.html"+"?"+"mname="+text1; window.location.assign(encodeURI(myurl)) } </script> {% endblock %} search_manufactory.html {% extends 'base.html' %} {% block title %} <script type="text/javascript" src="/static/scripts/jquery/jquery-1.7.1.js"></script> <link href="/static/style/authority/basic_layout.css" rel="stylesheet" type="text/css"> <link href="/static/style/authority/common_style.css" rel="stylesheet" type="text/css"> <script type="text/javascript" src="/static/scripts/authority/commonAll.js"></script> <script type="text/javascript" src="/static/scripts/fancybox/jquery.fancybox-1.3.4.js"></script> <script type="text/javascript" src="/static/scripts/fancybox/jquery.fancybox-1.3.4.pack.js"></script> <link rel="stylesheet" type="text/css" href="/static/style/authority/jquery.fancybox-1.3.4.css" media="screen"></link> <script type="text/javascript" src="/static/scripts/artDialog/artDialog.js?skin=default"></script> <div id="container"> <div class="ui_content"> <div class="ui_text_indent"> <div id="box_border"> <div id="box_top">搜索</div> 厂商名字<input type="text" id="mname" name="mname" value="{{ mname }}" class="ui_input_txt02" /> </div> <div id="box_top">新增/编辑</div> <form id="submitForm" name="submitForm" method="post" action="add_manufactory.html"> <input type="hidden" id="manufactoryid" name="manufactoryid"/> 厂商名字<input type="text" id="manufactorymanufactory" name="manufactorymanufactory" class="ui_input_txt02" /> 厂商电话<input type="text" id="manufactorysupport_num" name="manufactorysupport_num" class="ui_input_txt02" /> 备注<input type="text" id="manufactorymemo" name="manufactorymemo" class="ui_input_txt02" /> </div> <div id="box_bottom"> <div class="pagination"> <span class="current"> {% if manufactorylist.has_previous %} <a href="javascript:void(0)" onclick="search_manufactory({{ manufactorylist.previous_page_number }});">上一页</a> {% endif %} <span class="current"> Page {{ manufactorylist.number }} of {{ manufactorylist.paginator.num_pages }}. </span> {% if manufactorylist.has_next %} <a href="javascript:void(0)" onclick="search_manufactory({{ manufactorylist.next_page_number }});">下一页</a> {% endif %} </span> </div> <input type="button" value="查询" class="ui_input_btn01" onclick="search_manufactory(1);"/> <input type="submit" value="新增" class="ui_input_btn01" /> <input type="button" value="编辑" class="ui_input_btn01" onclick="edit_manufactory({{ manufactorylist.number }});" /> <input type="button" value="删除" class="ui_input_btn01" onclick="batdel_manufactory();" /> <input type="button" value="导出EXCEL" class="ui_input_btn01" onclick="excel_manufactory();" /> </div> </form> </div> </div> {% endblock %} {% block content %} <div class="ui_content"> <div class="ui_tb"> <table class="table" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"> <tr> <th width="30"><input type="checkbox" id="id" name="id" /> </th> <th>厂商名字</th> <th>厂商电话</th> <th>备注</th> <th>操作</th> </tr> {% for mr in manufactorylist.object_list %} <tr> <td><input type="checkbox" name="idcheck" value={{ mr.id }} class="acb" /></td> <td>{{ mr.manufactory }}</td> <td>{{ mr.support_num }}</td> <td>{{ mr.memo }}</td> <td> <a href="javascript:void(0)" onclick="edit_mr('{{ mr.id }}','{{ mr.manufactory }}','{{ mr.support_num }}','{{ mr.memo }}')" class="edit">编辑</a> <a href="javascript:void(0)" onclick="del_manufactory({{ mr.id }},{{ manufactorylist.number }});">删除</a> </td> </tr> {% endfor %} </table> </div> </div> </div> <script type="text/javascript"> function search_manufactory(page){ var text1 = document.getElementById("mname").value; var myurl="search_manufactory.html"+"?"+"mname="+text1+"&&page="+page; window.location.assign(encodeURI(myurl)) } function edit_mr(id,name,license_num,version){ document.getElementById("manufactoryid").value=id; document.getElementById("manufactorymanufactory").value=name; document.getElementById("manufactorysupport_num").value=license_num; document.getElementById("manufactorymemo").value=version; } function edit_manufactory(page){ var text1 = document.getElementById("mname").value; id=document.getElementById("manufactoryid").value; name=document.getElementById("manufactorymanufactory").value; license_num=document.getElementById("manufactorysupport_num").value; version=document.getElementById("manufactorymemo").value; var myurl="edit_manufactory.html"+"?"+"id="+id+"&&manufactory="+name+"&&support_num="+license_num+"&&memo="+version+"&&mname="+text1+"&&page="+page; window.location.assign(encodeURI(myurl)) } function del_manufactory(id,page){ if(window.confirm('确定要删除该记录吗?')){ var text1= document.getElementById("mname").value; var myurl="del_manufactory.html"+"?"+"id="+id+"&&mname="+text1+"&&page="+page; window.location.assign(encodeURI(myurl)) return true; }else{ //alert("取消"); return false; } } function batdel_manufactory(){ if(window.confirm('确定要删除记录吗?')){ obj = document.getElementsByName("idcheck"); var text1= document.getElementById("mname").value; check_val = []; for(k in obj){ if(obj[k].checked) check_val.push(obj[k].value); } var myurl="batdel_manufactory.html"+"?"+"ids="+check_val+"&&mname="+text1; window.location.assign(encodeURI(myurl)) return true; }else{ return false; } } function excel_manufactory(){ var text1 = document.getElementById("mname").value; var myurl="excel_manufactory.html"+"?"+"mname="+text1; window.location.assign(encodeURI(myurl)) } </script> {% endblock %} cmdbapp/softwareviews.py -- coding: utf-8 -- from future import unicode_literals from django.shortcuts import render,render_to_response from django.core.paginator import Paginator,InvalidPage,EmptyPage from cmdbapp.models import * from django.http import HttpResponse from django.http import HttpResponseRedirect from xlwt import * import StringIO def search_software(request): error = False each_page = 5 mname=request.GET.get('mname','0') if mname=='0' or mname.strip()=='': record_list = Software.objects.all() mname='' paginator = Paginator(record_list,each_page) try: page = int(request.GET.get('page', '1')) except ValueError: page = 1 try: contacts = paginator.page(page) except (EmptyPage, InvalidPage): contacts = paginator.page(paginator.num_pages) return render_to_response('search_software.html',{'softwarelist':contacts,"mname":mname}) else: record_list = Software.objects.filter(name=mname) paginator = Paginator(record_list,each_page) try: page = int(request.GET.get('page', '1')) except ValueError: page = 1 try: contacts = paginator.page(page) except (EmptyPage, InvalidPage): contacts = paginator.page(paginator.num_pages) return render_to_response('search_software.html',{'softwarelist':contacts,"mname":mname}) def add_software(request): n = request.POST.get('softwarename') v = request.POST.get('softwareversion') l = request.POST.get('softwarelicense_num') Software.objects.create(name=n,license_num=l,version=v) return HttpResponseRedirect('search_software.html') def edit_software(request): id=request.GET.get('id') iid=int(id) name=request.GET.get('name') l=request.GET.get('license_num') v=request.GET.get('version') Software.objects.filter(id=iid).update(name=name,license_num=l,version=v) page=request.GET.get('page') mname=request.GET.get('mname') return HttpResponseRedirect('search_software.html?mname='+mname+"&&page="+page) def del_software(request): id=request.GET.get('id') iid=int(id) Software.objects.filter(id=iid).delete() page=request.GET.get('page') mname=request.GET.get('mname') return HttpResponseRedirect('search_software.html?mname='+mname+"&&page="+page) def batdel_software(request): ids=request.GET.get('ids') b=ids.split(',') arr = map(int,b) for aaa in arr: Software.objects.filter(id=aaa).delete() mname=request.GET.get('mname') return HttpResponseRedirect('search_software.html?mname='+mname) def excel_software(request): mname=request.GET.get('mname','0') if mname=='0' or mname.strip()=='': list_obj = Software.objects.all() mname='' else: list_obj = Software.objects.filter(name=mname) if list_obj: # 创建工作薄 ws = Workbook(encoding='utf-8') w = ws.add_sheet(u"软件清单") w.write(0, 0, "id") w.write(0, 1, u"软件名字") w.write(0, 2, u"授权数") w.write(0, 3, u"版本号") # 写入数据 excel_row = 1 for obj in list_obj: data_id = obj.id data_name = obj.name data_license_num = obj.license_num data_version = obj.version w.write(excel_row, 0, data_id) w.write(excel_row, 1, data_name) w.write(excel_row, 2, data_license_num) w.write(excel_row, 3, data_version) excel_row += 1 sio = StringIO.StringIO() ws.save(sio) sio.seek(0) response = HttpResponse(sio.getvalue(), content_type='application/vnd.ms-excel') response['Content-Disposition'] = 'attachment; filename=机房清单-'+mname+'.xls' response.write(sio.getvalue()) return response cmdbapp/manufactoryviews.py -- coding: utf-8 -- from future import unicode_literals from django.shortcuts import render,render_to_response from django.core.paginator import Paginator,InvalidPage,EmptyPage from cmdbapp.models import * from django.http import HttpResponse from django.http import HttpResponseRedirect from xlwt import * import StringIO def search_manufactory(request): error = False each_page = 5 mname=request.GET.get('mname','0') if mname=='0' or mname.strip()=='': record_list = Manufactory.objects.all() mname='' paginator = Paginator(record_list,each_page) try: page = int(request.GET.get('page', '1')) except ValueError: page = 1 try: contacts = paginator.page(page) except (EmptyPage, InvalidPage): contacts = paginator.page(paginator.num_pages) return render_to_response('search_manufactory.html',{'manufactorylist':contacts,"mname":mname}) else: record_list = Manufactory.objects.filter(name=mname) paginator = Paginator(record_list,each_page) try: page = int(request.GET.get('page', '1')) except ValueError: page = 1 try: contacts = paginator.page(page) except (EmptyPage, InvalidPage): contacts = paginator.page(paginator.num_pages) return render_to_response('search_manufactory.html',{'manufactorylist':contacts,"mname":mname}) def add_manufactory(request): n = request.POST.get('manufactorymanufactory') v = request.POST.get('manufactorysupport_num') l = request.POST.get('manufactorymemo') Manufactory.objects.create(manufactory=n,support_num=v,memo=l) return HttpResponseRedirect('search_manufactory.html') def edit_manufactory(request): id=request.GET.get('id') iid=int(id) name=request.GET.get('manufactory') l=request.GET.get('support_num') v=request.GET.get('memo') Manufactory.objects.filter(id=iid).update(manufactory=name,support_num=l,memo=v) page=request.GET.get('page') mname=request.GET.get('mname') return HttpResponseRedirect('search_manufactory.html?mname='+mname+"&&page="+page) def del_manufactory(request): id=request.GET.get('id') iid=int(id) Manufactory.objects.filter(id=iid).delete() page=request.GET.get('page') mname=request.GET.get('mname') return HttpResponseRedirect('search_manufactory.html?mname='+mname+"&&page="+page) def batdel_manufactory(request): ids=request.GET.get('ids') b=ids.split(',') arr = map(int,b) for aaa in arr: Manufactory.objects.filter(id=aaa).delete() mname=request.GET.get('mname') return HttpResponseRedirect('search_manufactory.html?mname='+mname) def excel_manufactory(request): mname=request.GET.get('mname','0') if mname=='0' or mname.strip()=='': list_obj = Manufactory.objects.all() mname='' else: list_obj = Manufactory.objects.filter(name=mname) if list_obj: # 创建工作薄 ws = Workbook(encoding='utf-8') w = ws.add_sheet(u"厂商清单") w.write(0, 0, "id") w.write(0, 1, u"厂商名字") w.write(0, 2, u"电话") w.write(0, 3, u"备注") # 写入数据 excel_row = 1 for obj in list_obj: data_id = obj.id data_name = obj.manufactory data_license_num = obj.support_num data_version = obj.memo w.write(excel_row, 0, data_id) w.write(excel_row, 1, data_name) w.write(excel_row, 2, data_license_num) w.write(excel_row, 3, data_version) excel_row += 1 sio = StringIO.StringIO() ws.save(sio) sio.seek(0) response = HttpResponse(sio.getvalue(), content_type='application/vnd.ms-excel') response['Content-Disposition'] = 'attachment; filename=机房清单-'+mname+'.xls' response.write(sio.getvalue()) return response cmdb/urls.py """cmdb URL Configuration The urlpatterns list routes URLs to views. For more information please see:https://docs.djangoproject.com/en/1.11/topics/http/urls/ Examples: Function views 1. Add an import: from my_app import views 2. Add a URL to urlpatterns: url(r'^', Home.as_view(), name='home') Including another URLconf 1. Import the include() function: from django.conf.urls import url, include 2. Add a URL to urlpatterns: url(r'^blog/', include('blog.urls')) """ from django.conf.urls import url from django.contrib import admin from cmdbapp import machinaroomviews,serverviews,networkdeviceviews,securitydeviceviews,softwareviews,storagedeviceviews,manufactoryviews from django.contrib.auth.views import * from django.contrib.staticfiles.urls import staticfiles_urlpatterns from django.contrib import staticfiles from django.views.static import serve urlpatterns = [ url(r'^static/(?P<path>.*)',machinaroomviews.main_page,name='main_page'), url(r'^base',machinaroomviews.base,name='base'), url(r'^search_machinaroom.html',machinaroomviews.add_machinaroom,name='add_machinaroom'), url(r'^edit_machinaroom.html',machinaroomviews.edit_machinaroom,name='edit_machinaroom'), url(r'^del_machinaroom.html',machinaroomviews.del_machinaroom,name='del_machinaroom'), url(r'^batdel_machinaroom.html',machinaroomviews.batdel_machinaroom,name='batdel_machinaroom'), url(r'^excel_machinaroom.html',machinaroomviews.excel_machinaroom,name='excel_machinaroom'), url(r'^login/',serverviews.search_server,name='search_server'), url(r'^add_server.html',serverviews.edit_server,name="edit_server"), url(r'^del_server.html',serverviews.del_server,name='del_server'), url(r'^batdel_server.html',serverviews.batdel_server,name='batdel_server'), url(r'^excel_server.html',serverviews.excel_server,name='excel_server'), url(r'^search_networkdevice.html',networkdeviceviews.add_networkdevice,name="add_networkdevice"), url(r'^edit_networkdevice.html',securitydeviceviews.search_securitydevice,name='search_securitydevice'), url(r'^add_securitydevice.html',securitydeviceviews.edit_securitydevice,name="edit_securitydevice"), url(r'^del_securitydevice.html',securitydeviceviews.del_securitydevice,name='del_securitydevice'), url(r'^batdel_securitydevice.html',securitydeviceviews.batdel_securitydevice,name='batdel_securitydevice'), url(r'^excel_securitydevice.html',securitydeviceviews.excel_securitydevice,name='excel_securitydevice'), url(r'^search_storagedevice.html',storagedeviceviews.add_storagedevice,name="add_storagedevice"), url(r'^edit_storagedevice.html',softwareviews.search_software,name='search_software'), url(r'^add_software.html',manufactoryviews.search_manufactory,name='search_manufactory'), url(r'^add_manufactory.html$',manufactoryviews.add_manufactory,name='add_manufactory'), url(r'^edit_manufactory.html',manufactoryviews.edit_manufactory,name='edit_manufactory'), url(r'^del_manufactory.html',manufactoryviews.del_manufactory,name='del_manufactory'), url(r'^batdel_manufactory.html',manufactoryviews.batdel_manufactory,name='batdel_manufactory'), url(r'^excel_manufactory.html',manufactoryviews.excel_manufactory,name='excel_manufactory'), ]

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