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js实现的捐赠管理完整实例

时间:2021-07-20 17:46     来源/作者:JS教程网

本文实例讲述了js捐赠管理完整实现方法。分享给大家供大家参考。具体实现方法如下:

index.html页面如下:

 

复制代码 代码如下:

<!DOCTYPE html> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>js捐赠管理</title> 
    <link href="css/css.css" rel="Stylesheet" type="text/css" /> 
    <script type="text/javascript"> 
        //受捐单位数组 
        var listOrgs = [ 
            { "id": "1", "comName": "壹基金" }, 
            { "id": "2", "comName": "宋庆龄基金" }, 
            { "id": "3", "comName": "慈济基金" }, 
            { "id": "4", "comName": "红十字会" }, 
            { "id": "5", "comName": "狼图腾" } 
        ]; 
        //给listOrgs数组对象动态添加一个匿名方法 
        listOrgs.getOrgsById = function (id) { 
            for (var i = 0; i < listOrgs.length; i++) { 
                if (listOrgs[i].id == id) { 
                    return listOrgs[i];//返回一个对象 
                } 
            } 
        }; 
 
        //捐款数据数组 
        var listData = [ 
            { "id": "1", "perName": "成龙", "orgId": "1", "money": "10000", "date": "2012-3-3" }, 
            { "id": "2", "perName": "李连杰", "orgId": "2", "money": "10000", "date": "2012-3-3" }, 
            { "id": "3", "perName": "陈光标", "orgId": "3", "money": "10000", "date": "2012-3-3" }, 
            { "id": "4", "perName": "胡锦涛", "orgId": "1", "money": "10000", "date": "2012-3-3" }, 
            { "id": "5", "perName": "周星池", "orgId": "2", "money": "10000", "date": "2012-3-3" }, 
            { "id": "6", "perName": "黎明", "orgId": "3", "money": "10000", "date": "2012-3-3" }, 
            { "id": "7", "perName": "狼人", "orgId": "3", "money": "10000", "date": "2012-3-3" }, 
            { "id": "8", "perName": "狂魔", "orgId": "3", "money": "10000", "date": "2012-3-3" }, 
            { "id": "9", "perName": "三疯", "orgId": "3", "money": "10000", "date": "2012-3-3" } 
        ]; 
        //分页查询数组 
        listData.fenyeQuery = function (pageNow, pageSize) { 
            var res = new Array(); 
            //1.按pageSize为5,第1页就是listData[0]-listData[4],第2页就是listData[5]-listData[9] 
            //第3页就是listData[10]-listData[14] 
 
            var start = (pageNow - 1) * pageSize; 
            var end = listData.length > (pageNow * pageSize) ? (pageNow * pageSize) : listData.length; 
 
            for (var i = start ; i < end; i++) { 
                res[res.length] = listData[i]; 
            } 
            return res; 
        }; 
 
        listData.queryByOrId = function (orid) { 
            var arr = new Array(); 
            for (var i = 0; i < listData.length; i++) { 
                if (listData[i].orgId == orid) { 
                    arr[arr.length] = listData[i]; 
                } 
            } 
 
            return arr; 
        }; 
 
        listData.idNum = listData.length; 
 
        listData.addRec = function(rec) { 
            listData.idNum++; 
            var newRec = { "id": listData.idNum, "perName": rec.perName, "orgId": rec.orgId, "money": rec.money, "date": rec.date }; 
            listData[listData.length] = newRec; 
            return newRec; 
        }; 

 

        listData.updateRec = function(obj) { 
            for (var i = 0; i < listData.length; i++) { 
                if (listData[i].id = obj.id) { 
                    listData[i] = obj; 
                    break; 
                } 
            } 
        }; 
 
        //定义一个全局的变量 ,检测是否取消个性 
        var isCancelUpdate = false; 
        //定义三个文本input控件 
        var InputPerName = document.createElement("input"); 
        InputPerName.type = "text"; 
 
        var InputMoney = document.createElement("input"); 
        InputPerName.type = "text"; 
 
        var InputDate = document.createElement("input"); 
        InputPerName.type = "text"; 
 
        var SeleteOrg = document.createElement("select"); 
 
        listData.delRecById = function (id) { 
            for (var i = 0; i < listData.length; i++) { 
                if (listData[i].id == id) { 
                    //删除 
                    /* 
                    1.将从这个ID所在的位置开始,将后面的每一个元素都往前面移动一位 
                    2.最后一个元素重复了,要将其清除 
                    */ 
                    for (var j = i; j < listData.length - 1; j++) { 
                        listData[j] = listData[j + 1]; 
                    } 
                } 
            } 
            listData.length = listData.length - 1; 
        }; 
 
        //把文本换成input文本框 
        function txtToInput(tdName, inputName) { 
            tdName.setAttribute("oldValue", tdName.innerHTML);//先保存原来的内容,如果取消,就恢复 
            inputName.value = tdName.innerHTML; 
            tdName.appendChild(inputName); 
            tdName.removeChild(tdName.firstChild); 
        } 
 
        function txtToSelect(tdName, selObj) { 
            tdName.appendChild(selObj); 
            tdName.removeChild(tdName.firstChild); 
            selObj.value = tdName.getAttribute("orgId"); 
        } 
 
        function selectorText(tdName) { 
            var orid = SeleteOrg.value; 
            var orgName = listOrgs.getOrgsById(orid).comName; 
           // tdName.setAttribute("orgId", SeleteOrg.value); 
            tdName.innerHTML = orgName; 
        } 
 
        //把input变回文本 
        function InputToTxt(tdName, inputName) { 
            //如果点击的是取消 
            if (isCancelUpdate) { 
                tdName.innerHTML = tdName.getAttribute("oldValue"); 
                return; 
            } 
            //点击确定修改 
            tdName.innerHTML = inputName.value; 
        } 
         
        //把select控件变回文本 
        function seleToTxt(tdName, selName) { 
           // tdName.appendChild(selName); 
            var orgId = SeleteOrg.value; 
            //删除之前的 
            tdName.innerHTML = (listOrgs.getOrgsById(orgId)).comName; 
        } 
 
        //取消修改 
        function CancelUp(obj) { 
            isCancelUpdate = true;//点击的是取消 
            doCancel(obj); 
            isCancelUpdate = false; 
        } 
 
        function  doCancel(obj) { 
            var trCur = obj.parentElement.parentElement; 
            var tds = trCur.childNodes; 
            //全部使用原始的td下面的值(保存在Attribute中) 
            tds[1].innerHTML = tds[1].getAttribute("oldValue"); 
            tds[2].innerHTML = listOrgs.getOrgsById(tds[2].getAttribute("orgId")).comName; 
            tds[3].innerHTML = tds[3].getAttribute("oldValue"); 
            tds[4].innerHTML = tds[4].getAttribute("oldValue"); 
            tds[5].innerHTML = "<a href='#' onclick='DelObj(this)' >删除</a> <a href='#' onclick='UpObj(this)'>修改</a>"; 
           // isCancelUpdate = false; 
            //确定取消成功后就要置trCur为null 
            trCur = null; 
        } 
        var trCur = null; 
 
        function UpObj(obj) { 
            if (trCur != null) { 
                //说明有行处于编辑状态,要取消其修改 
                isCancelUpdate = true; 
                //取消那一行的编辑 
                doCancel(trCur.childNodes[5].firstChild);//trCur.childNodes[5].firstChild,就是上一行的<a 修改> 
            } 
 
            //得到当前所在的行 
            trCur = obj.parentElement.parentElement; 
            var tds = trCur.childNodes; 
            //捐赠人input修改 
            txtToInput(tds[1], InputPerName); 
            //金额 
            txtToInput(tds[3], InputMoney); 
            //受捐日期 
            txtToInput(tds[4], InputDate); 
            //下拉选择单位 
            txtToSelect(tds[2], SeleteOrg); 
 
            //修改链接变成取消 
            tds[5].innerHTML = "<a href='#' onclick='doUpObj(this)' >确定</a> <a href='#' onclick='CancelUp(this)'>取消</a>"; 
        } 
         
        //确定修改 
        function doUpObj(obj) { 
            isCancelUpdate = false; 
             trCur = obj.parentElement.parentElement; 
            //1.修改数组中对应的记录 
            var rec = { "id": trCur.childNodes[0].innerHTML, "perName": trCur.childNodes[1].childNodes[0].value, "orgId": trCur.childNodes[2].childNodes[0].value, "money": trCur.childNodes[3].childNodes[0].value, "date": trCur.childNodes[4].childNodes[0].value }; 
            //调用方法来修改ListData中相应的记录 
            listData.updateRec(rec); 
            //2.修改表格中的记录 
 
            InputToTxt(trCur.childNodes[1], InputPerName); 
            seleToTxt(trCur.childNodes[2], SeleteOrg); 
            InputToTxt(trCur.childNodes[3], InputMoney); 
            InputToTxt(trCur.childNodes[4], InputDate); 
            trCur.childNodes[5].innerHTML = "<a href='#' onclick='DelObj(this)' >删除</a> <a href='#' onclick='UpObj(this)'>修改</a>"; 

            //trCur.childNodes[2].setAttribute("orgId", SeleteOrg.value);
            //确定修改成功后就要置trCur为null 
            trCur = null; 
        } 

        //删除一行数据 

        function DelObj(obj) { 
            //删除数组中对应的数组 
            //1.要得到选中的行 
            var curTr = obj.parentElement.parentElement; 
            //2.从第一个列中取到id的值 
            var delId = curTr.cells[0].innerHTML; 
            // window.alert(delId); 
            //3.根据id删除一条记录(数组中listData) 
            listData.delRecById(delId); 
            //4.删除表格视图中的显示行 
            curTr.parentElement.removeChild(curTr); 
        } 

        function gel(id) { 
            return document.getElementById(id); 
        } 
 
        //1.查询单位名称的绑定,selEle是:selet元素节点 
        function LoadOrgList(selEle) { 
            for (var i = 0; i < listOrgs.length; i++) { 
                var opt = new Option(listOrgs[i].comName, listOrgs[i].id); 
                selEle.options.add(opt); 
            } 
        } 
        //2.绑定表格和绑定表格和listData的方法 

        function LoadDataList() { 
            //for (var i = 0; i < listData.length; i++) { 
            //    addRow(listData[i]); 
            //} 
            //分页显示 
            showPage(); 
        } 

        function addRow(obj) { 
            var trnew = gel("tbList").insertRow(-1); 
            var tdnew = trnew.insertCell(-1); 
            tdnew.innerHTML = obj.id; 
            trnew.insertCell(-1).innerHTML = obj.perName; 

            var trOrgName = trnew.insertCell(-1); 
            trOrgName.setAttribute("orgId", obj.orgId); 
            trOrgName.innerHTML = (listOrgs.getOrgsById(obj.orgId)).comName; 
            trnew.insertCell(-1).innerHTML = obj.money; 
            trnew.insertCell(-1).innerHTML = obj.date; 
            trnew.insertCell(-1).innerHTML = "<a href='#' onclick='DelObj(this)' >删除</a> <a href='#' onclick='UpObj(this)'>修改</a>"; 
        } 

        window.onload = function() { 
            //绑定查询 
            LoadOrgList(gel("selSearchOrg")); 
            //绑定受捐赠单位 
            LoadOrgList(gel("selAddOrg")); 
            LoadOrgList(SeleteOrg); 
            //绑定表格和listData 
            LoadDataList(); 

            //给新增按钮绑定一个事件 
            gel("btnAdd").onclick = function() { 
                if ((!(gel("txtName").value)) || (!(gel("txtMoney").value) || (!(gel("txtDate").value)))) { 
                    alert("输入不能为空"); 
                    return; 
                } 
 
                //1.得到输入的内容,打包成一个对象(按照listData的格式) 
                var arr = { "perName": gel("txtName").value, "orgId": gel("selAddOrg").value, "money": gel("txtMoney").value, "date": gel("txtDate").value }; 
                //2.添加到listData数组中 
                var res = listData.addRec(arr); 
                //3.显示在表格中 
                var trnew = gel("tbList").insertRow(-1); 
                trnew.insertCell(-1).innerHTML = res.id; 
                trnew.insertCell(-1).innerHTML = res.perName; 
 
                var tdOrg = trnew.insertCell(-1); 
                tdOrg.setAttribute("orgId", res.orgId); 
                tdOrg.innerHTML = listOrgs.getOrgsById(res.orgId).comName; 
                trnew.insertCell(-1).innerHTML = res.money; 
                trnew.insertCell(-1).innerHTML = res.date; 
                trnew.insertCell(-1).innerHTML = "<a href='#' onclick='DelObj(this)' >删除</a> <a href='#' onclick='UpObj(this)'>修改</a>"; 
            }; 
 
            //给查询按钮绑定事件 
            gel("btnSearch").onclick = function () { 
                if (gel("selSearchOrg").value == -1) { 
                    return; 
                } 
 
                //1.获取要查询的受捐赠单位的orgid 
                var orgId = gel("selSearchOrg").value; 
                //2.在ListData数组中定义一个根据orgid查询的方法,并在这里调用 
                var arrRes = listData.queryByOrId(orgId); 
                //3.将旧的表格数据移除显示,一定要从下到上清空显示 
                var trs = gel("tbList").rows; 
 
                for (var j = trs.length-1; j>0; j--) { 
                    gel("tbList").deleteRow(j); 
                } 
                //4.显示新的数据arrRes 
                for (var i = 0; i < arrRes.length; i++) { 
                    addRow(arrRes[i]); 
                }  
            }; 

            //给上一页绑定事件 
            gel("btnprePage").onclick = function() { 
               if (pageNow > 1) { 
                   pageNow--; 
                   showPage(); 
               } else { 
                   alert("已经是第一页!") 
               } 
            }; 
            //给下一页绑定事件 
            gel("btnnextPage").onclick = function () { 
                if(pageNow<listData.length/pageSize) 
                { 
                    pageNow++; 
                    showPage(); 
                }else 
                { 
                    alert("已经是最后一页!"); 
                }  
            };  
        }; 
        var pageNow = 1; 
        var pageSize = 5; 
        function showPage() { 
            var trs = gel("tbList").rows; 
 
            for (var j = trs.length - 1; j > 0; j--) { 
                gel("tbList").deleteRow(j); 
            } 
 
            //1.根据pageNow和pageSize返回一个数组 
            var res = listData.fenyeQuery(pageNow, pageSize); 
            for (var i = 0; i < res.length; i++) { 
                addRow(res[i]); 
            } 
        } 
    </script> 
</head> 
<body> 
    <div id="container"> 
        <h1>捐赠管理</h1> 
        <div class="search"> 
            受捐单位 
            <select id="selSearchOrg"> 
                <option value="-1">--请选择--</option> 
            </select> 
            <input type="button" id="btnSearch" value="查询" class="btn" /> <input type="button" value="上一页" class="btn" id="btnprePage" /> <input type="button" value="下一页" class="btn" id="btnnextPage" /><span id="pageBar"></span> 
        </div> 
        <div class="search"> 
            捐赠人:<input type="text" id="txtName" class="inputShort" size="8" /> 
            受捐单位: 
            <select id="selAddOrg"> 
            </select> 
            金额:<input type="text" id="txtMoney" class="inputShort" size="8" /> 
            受捐日期:<input type="text" id="txtDate" class="inputShort" size="10" /> 
            <input type="button" id="btnAdd" value="新增" class="btn" />
        </div> 
        <table id="tbList" class="tbList" cellspacing="0" cellpadding="0"> 
            <tr class="th"> 
                <td>序号</td> 
                <td>捐赠人</td> 
                <td>受捐单位</td> 
                <td>金额</td> 
                <td>受捐日期</td> 
                <td>操作</td> 
            </tr> 
        </table> 
    </div> 
</body> 
</html>

 

css.css如下:

复制代码 代码如下:
* { 
      margin: 0px; 
      padding: 0px; 
  } 
 
  body { 
      width: 900px; 
      margin: 0px auto; 
      padding-top: 20px; 
  } 
 
  h1 { 
      padding: 15px; 
      text-align: center; 
  } 
 
  #container { 
      width: 900px; 
      height: auto; 
  } 
 
  .header, .search { 
      width: 900px; 
      height: 30px; 
      line-height: 30px; 
      border: 1px solid #0094ff; 
      margin-top: 3px; 
      padding: 0px 5px; 
  } 
 
  .tbList { 
      width: 912px; 
      height: auto; 
  } 
 
      .tbList th { 
          border: 1px solid #000; 
          background: #0094ff; 
          height: 30px; 
          font-weight: bold; 
          line-height: 30px; 
          color: #fff; 
      } 
 
  .inputShort { 
      width: 100px; 
  } 
 
  .btn { 
      width: 70px; 
      height: 25px; 
      line-height: 25px; 
      font-weight: bold; 
      text-align: center; 
  } 
 
  td { 
      border: 1px solid; 
      height: 25px; 
      text-indent: 1em; 
      border-collapse: collapse; 
  }

 

希望本文所述对大家的javascript程序设计有所帮助。

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