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  • 本地存储与地理信息

    <!DOCTYPE html>
    <html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title></title>
        <meta charset="utf-8" />
        <script src="http://api.map.baidu.com/api?v=2.0&ak=38eb639e879917744ea99da35bd1648a"></script>
        <script src="jquery-1.7.2.js"></script>
        <script src="move.js"></script>
        <style>
            * {
                padding: 0;
                margin: 0;
            }
    
            li {
                list-style: none;
            }
    
            .clear {
                clear: both;
            }
    
            #record {
                padding: 10px;
                float: left;
                border: 1px solid red;
                margin-right: 2px;
            }
    
                #record input[name=title] {
                    height: 30px;
                     200px;
                    outline: none;
                    font-size: 16px;
                }
    
                #record textarea[name=content] {
                    height: 400px;
                     300px;
                    outline: none;
                    resize: none;
                    font-size: 16px;
                }
    
                #record p label {
                    float: left;
                    margin-right: 5px;
                }
    
            #detile {
                 300px;
                border: 1px solid red;
                position: relative;
                overflow: hidden;
                left: 0px;
                top: 0;
            }
    
            #list {
                 900px;
                position: relative;
                height: 480px;
                left: 0px;
            }
    
                #list li {
                     300px;
                    height: 200px;
                    float: left;
                }
    
                    #list li:first-child div {
                        border-bottom: 1px dashed red;
                        height: 26px;
                        line-height: 25px;
                        filter: alpha(opacity=0);
                        opacity: 0;
                        cursor: pointer;
                    }
    
                    #list li:nth-child(2) div #Go {
                        float: right;
                    }
    
                    #list li:nth-child(2) input[name=title] {
                        height: 30px;
                         200px;
                        outline: none;
                        font-size: 16px;
                        border: none;
                    }
    
                    #list li:nth-child(2) textarea[name=content] {
                        height: 460px;
                         300px;
                        outline: none;
                        resize: none;
                        font-size: 16px;
                        border: none;
                        border-top: 1px solid #e6dcdc;
                    }
    
            #map {
                 300px;
                height: 480px;
            }
        </style>
    </head>
    <body>
        <div id="record">
            <form id="fr">
                <p>
                    标题:
                    <input type="text" name="title" />
                </p>
                <p>
                    <label>内容:</label>
                    <textarea name="content"></textarea>
                </p>
            </form>
            <button id="save_local">保存本地</button>
            <button id="save_server">保存服务器</button>
            <button id="del">删除所有数据</button>
            <input type="checkbox" id="Get_map" />记录地图位置
        </div>
    
        <div id="detile">
            <ul id="list">
                <li></li>
                <li>
                    <div>
                        <input type="button" id="back" value="后退" />
                        <input type="button" id="Go" value="前进" />
                    </div>
                    <input type="text" name="title" />
                    <textarea name="content"></textarea>
                </li>
                <li>
                    <input type="button" id="back2" value="后退" />
                    <div id="map"></div>
                </li>
            </ul>
        </div>
    </body>
    </html>
    <script>
        var iNow = window.localStorage.getItem('num') || -1;
    
        var oUl = document.getElementById('list');
        var aLi = oUl.getElementsByTagName('li');
        $(document).ready(function () {
    
            if (window.localStorage.getItem('num')) {
                var list = arr(window.localStorage);
                //console.log(window.localStorage)
                for (var i = 0; i < list.length; i++) {
                    if (isContains(list[i].name, 'title')) {
                        var oDiv = document.createElement('div');
                        oDiv.index = list[i].name.split('|')[1];
                        oDiv.innerHTML = window.localStorage.getItem(list[i].name);
                        AppOrInsertChild(aLi[0], oDiv);
                    }
    
                }
            }
            //var aDiv = aLi[0].getElementsByTagName('div');
            //for (var i = 0; i < aDiv.length; i++) {
            //    aDiv[i].onmouseover = function () {
            //        this.style.cssText = 'background:red;color:#FFF';
            //    }
            //    aDiv[i].onmouseleave = function () {
            //        this.style.cssText = 'background:#FFF;color:#000';
            //    }
            //    aDiv[i].onclick = function (ev) {
            //        //console.log(this.index)
            //        var oTitle = $('#list li').eq(1).find('input[name=title]');
            //        oTitle.val(this.textContent);
            //        var oContent = $('#list li').eq(1).find('[name=content]');
            //        oContent.val(window.localStorage.getItem('content|' + this.index));
    
            //        StartMove(oUl, { left: -aLi[0].offsetWidth });
            //    }
            //}
            aLi[0].onmouseover = function (ev) {
                var ev = ev || event;
                var target = ev.target || ev.srcElement;
                // console.log(target.index);
                if (target.nodeName.toLowerCase() == 'div')
                    //target.style.cssText = 'background:red;color:#FFF';
    				{target.style.background='red';
    				target.style.color='#FFF';}
            }
            aLi[0].onmouseout = function (ev) {
                var ev = ev || event;
                var target = ev.target || ev.srcElement;
                // console.log(target.index);
                if (target.nodeName.toLowerCase() == 'div')
    			{
                    //target.style.cssText = 'background:#FFF;color:#000';
    				target.style.background='#FFF';
    				target.style.color='#000';}
            }
            aLi[0].onclick = function (ev) {
    
                var ev = ev || event;
                var target = ev.target || ev.srcElement;
               
                if (target.nodeName.toLowerCase() == 'div') {
                    var oTitle = $('#list li').eq(1).find('input[name=title]');
                    oTitle.val(target.textContent);
                    var oContent = $('#list li').eq(1).find('[name=content]');
                    oContent.val(window.localStorage.getItem('content|' + target.index));
                    if (window.localStorage.getItem('Get_map|' + target.index)) {
                        //alert(11);
                        $('#Go').get(0).disabled = false;
                    } else {
                        $('#Go').get(0).disabled = true;
                    }
                    StartMove(oUl, { left: -this.offsetWidth });
    
                }
            }
    
        });
    
    
        $('#save_local').click(function () {
            var json = $('#fr').serializeArray();
    
            iNow++;
            window.localStorage.setItem(json[0].name + '|' + iNow, json[0].value);
            window.localStorage.setItem(json[1].name + '|' + iNow, json[1].value);
            window.localStorage.setItem('num', iNow);
            var isok = $('#Get_map').is(':checked');
    
            navigator.geolocation.getCurrentPosition(function (position) {
                var y = position.coords.longitude;
                var x = position.coords.latitude;
                var json = { y: y, x: x };
                if (isok)
                { window.localStorage.setItem('Get_map|' + iNow, JSON.stringify(json)); }
                else
                { window.localStorage.removeItem('Get_map|' + iNow);  }
                
            });
            createDiv(json);
            $('#Get_map').get(0).checked = false;
        });
        $('#del').click(function () {
            window.localStorage.clear();
            if (aLi[0].childNodes.length > 0) {
                for (var i = 0; i < aLi[0].childNodes.length; i++) {
                    aLi[0].removeChild(aLi[0].childNodes[i]);
                }
                window.location.reload();
            }
        });
        $('#back').click(function () {
            StartMove(oUl, { left: 0 });
        });
        $('#back2').click(function () {
            StartMove(oUl, { left: -aLi[0].offsetWidth });
        });
        $('#Go').click(function () {
            StartMove(oUl, { left: -aLi[0].offsetWidth * 2 });
            var m = JSON.parse(window.localStorage.getItem('Get_map|' + iNow));
            var map = new BMap.Map("map");
            var pt = new BMap.Point(m.y, m.x);
            map.centerAndZoom(pt, 14);
            map.enableScrollWheelZoom();
    
            var marker2 = new BMap.Marker(pt);  // 创建标注
            map.addOverlay(marker2);
        });
    
    
        function isContains(str, substr) {
            return new RegExp(substr).test(str);
        }
    
        arr = function (json) {
            var str = decodeURI($.param(json));
            var result = [];
            var new_arr = str.split('&');
            for (var i = 0; i < new_arr.length; i++) {
                var sut = new_arr[i].split('=');
                var arr = {};
                arr.name = sut[0];
                arr.value = sut[1];
                result.push(arr);
            }
            return result;
        }
        function createDiv(json) {
            var oDiv = document.createElement('div');
            oDiv.innerHTML = json[0].value;
    
            AppOrInsertChild(aLi[0], oDiv);
        }
    
        function AppOrInsertChild(node, aporinnode) {
            if (node.childNodes.length > 0) {
                node.insertBefore(aporinnode, node.childNodes[0]);
            } else {
                node.appendChild(aporinnode);
            }
            aporinnode.index = parseInt(window.localStorage.getItem('num'));
            var h = aporinnode.offsetHeight;
            aporinnode.style.height = 0;
            h.innerHTML = '';
            StartMove(aporinnode, { height: h, opacity: 1 });
        }
    </script>
    

      所用move.js

      1 // JavaScript Document
      2 //缓冲运动
      3 
      4 
      5 //缓冲运动
      6  function StartMove(obj,json,fn){
      7         
      8         clearInterval(obj.timer);
      9         obj.timer=setInterval(function(){
     10              var bStop=true;
     11             
     12             for(var attr in json)
     13             {
     14                 var iCu=0;
     15                 if(attr=='opacity')
     16                 {iCu= parseInt(parseFloat(GetStyle(obj,attr))*100);}//处理小数问题,扩大倍数
     17                 else
     18                 {iCu=parseInt(GetStyle(obj,attr));}
     19                 
     20                 
     21                 var iSpeed=(json[attr]-(iCu))/8;
     22                 iSpeed=iSpeed>0?Math.ceil(iSpeed):Math.floor(iSpeed);
     23                 if(iCu!=json[attr])
     24                 { bStop=false;}
     25                 if(attr=='opacity')
     26                 {
     27                     obj.style.filter='alpha(opacity:'+(iCu+iSpeed)+')';
     28                     obj.style.opacity=(iCu+iSpeed)*100;
     29                 }
     30                 else
     31                 {
     32                     obj.style[attr]=iCu+iSpeed+'px';
     33                 }
     34             }
     35             
     36             if(bStop)
     37             {
     38                 clearInterval(obj.timer);
     39                 if(fn)
     40                 {
     41                     fn();
     42                 }
     43             }
     44         },30);
     45         
     46         }
     47         
     48 //弹性运动
     49 var iSpeed_Tanxing=0;
     50 var left_Tanxing=0;//将 小数存放在变量中 解决小数显示问题
     51 function move_Tan(obj,iTaget){
     52 
     53     clearInterval(obj.timer);
     54     obj.timer=setInterval(function(){
     55         /*
     56         弹性运动公式
     57         */
     58         iSpeed_Tanxing+=(iTaget-obj.offsetLeft)/5;
     59         iSpeed_Tanxing*=0.7
     60         left_Tanxing+=iSpeed_Tanxing;
     61         
     62         if(Math.abs(iSpeed_Tanxing)<0.1&&Math.abs(left_Tanxing-iTaget)<0.1)//在一定范围内就停止定时器,解决目标点问题
     63         {clearInterval(obj.timer);obj.style.left=iTaget+'px';}
     64         else
     65         obj.style.left=left_Tanxing+'px';
     66         
     67         },30);
     68     }        
     69         
     70 //碰撞运动
     71 var iSpeedX_Pengzhuang=0;
     72 var iSpeedY_Pengzhuang=0;
     73 function move_Peng(obj){
     74     clearInterval(obj.timer);
     75     obj.timer=setInterval(function(){
     76         iSpeedY_Pengzhuang+=3;
     77         L=obj.offsetLeft+iSpeedX_Pengzhuang;
     78         T=obj.offsetTop+iSpeedY_Pengzhuang;
     79         if(T>=document.documentElement.clientHeight-obj.offsetHeight)
     80         {
     81                 iSpeedY_Pengzhuang*=-0.8;
     82                 iSpeedX_Pengzhuang*=0.8;
     83                 T=document.documentElement.clientHeight-obj.offsetHeight;
     84         }
     85         else if(T<=0)
     86         {
     87                 iSpeedY_Pengzhuang*=-0.8;
     88                 iSpeedX_Pengzhuang*=0.8;
     89                 T=0;
     90         }
     91         if(L>=document.documentElement.clientWidth-obj.offsetWidth)
     92         {
     93                 iSpeedY_Pengzhuang*=0.8;
     94                 iSpeedX_Pengzhuang*=-0.8;
     95                 L=document.documentElement.clientWidth-obj.offsetWidth;
     96         }
     97         else if(L<=0)
     98         {
     99                 iSpeedY_Pengzhuang*=0.8;
    100                 iSpeedX_Pengzhuang*=-0.8;
    101                 L=0;
    102         }
    103         if(Math.abs(iSpeedX_Pengzhuang)<0.5)
    104         {
    105             iSpeedX_Pengzhuang=0;
    106         }
    107         if(Math.abs(iSpeedY_Pengzhuang)<0.5)
    108         {
    109             iSpeedY_Pengzhuang=0;
    110         }
    111         obj.style.left=L+'px';
    112         obj.style.top=T+'px';
    113         },30);
    114     }
    115         
    116         
    117 function GetStyle(obj,attr){
    118     
    119     if(obj.currentStyle)
    120     {
    121         return obj.currentStyle[attr];
    122         }
    123     else
    124     {
    125         return getComputedStyle(obj,false)[attr];
    126         }
    127     };
    128     
    129 function getClassNames(oParent,className){
    130     var obj=oParent.getElementsByTagName('*');
    131     var attr=[];
    132     var re=new RegExp('\b'+className+'\b');
    133     for(var i=0; i<obj.length;i++)
    134     {
    135         if(re.test(obj[i].className))
    136         {attr.push(obj[i]);}
    137         }
    138     return attr;
    139     }
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  • 原文地址:https://www.cnblogs.com/liujianshe1990-/p/7375567.html
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