js操作json对象
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<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1" />
</head>
<body>
//该案例用户上海车务网的优化
<script>
//定义一个json对象，变量名称为jsonstr
//k1是两地范围的开始数
//k2是两地距离的结束数
//k1-k2是随机数，表示距离多少公里
jsonstr={
"sheng": "黑龙江",
"k1":2000,
"k2":2800,
"data": [
{
"shi":"牡丹江",
"pai":"黑C",
"xian":["牡丹江市","东安区","阳明区","爱民区","西安区","东宁市","林口县","绥芬河市","海林市","宁安市","穆棱市"]
},
{
"shi":"佳木斯",
"pai":"黑D",
"xian":["站前街道","桥南街道","建国街道","友谊街道","同江镇","城关街道","抚远镇","桦南镇","悦来镇","汤原镇"]
},
{
"shi":"大庆",
"pai":"黑E",
"xian":["大庆市","萨尔图区","龙凤区","让胡路区","红岗区","大同区","肇州县","肇源县","林甸县","杜尔伯特蒙古族自治县"]
},
{
"shi":"鸡西",
"pai":"黑G",
"xian":["鸡冠区","恒山区","滴道区","梨树区","城子河区","麻山区","虎林市","密山市","鸡东县"]
},
{
"shi":"双鸭山",
"pai":"黑J",
"xian":["尖山区","岭东区","四方台区","宝山区","集贤县","友谊县","宝清县","饶河县"]
},
{
"shi":"伊春",
"pai":"黑F",
"xian":["伊春区","南岔区","友好区","西林区","翠峦区","新青区","美溪区","金山屯区","五营区","乌马河区","汤旺河区","带岭区","乌伊岭区","红星区","上甘岭区","嘉荫县","铁力市"]
},
{
"shi":"七台河市",
"pai":"黑K",
"xian":["桃山区","新兴区","茄子河区","勃利县"]
},
{
"shi":"鹤岗",
"pai":"黑H",
"xian":["向阳区","工农区","南山区","兴安区","东山区","兴山区","萝北县","绥滨县"]
},
{
"shi":"黑河",
"pai":"黑N",
"xian":["爱辉区","北安市","五大连池市","嫩江市","孙吴县","逊克县"]
},
{
"shi":"绥化",
"pai":"黑M",
"xian":["绥化市","北林区","望奎县","兰西县","青冈县","庆安县","明水县","绥棱县","安达市","肇东市","海伦市"]
},
{
"shi":"大兴安岭地区",
"pai":"黑P",
"xian":["加格达奇区","松岭区","呼中区","新林区","漠河市","呼玛县","塔河县"]
},
]
};
//alert(Object.keys(jsonstr).length);
//var length=Object.keys(jsonstr).length;
//document.write(jsonstr["sheng"]);
var xian=jsonstr["data"];
var xianLength=xian.length;
for(x=0;x<xianLength;x++)
{
document.write("<span style='color: rgb(255, 0, 0);'><strong>上海上外地牌照"+jsonstr["sheng"]+xian[x]["shi"]+xian[x]["pai"]+"牌照 专业代办<br>");
document.write(xian[x]["pai"]+"上牌热线 ：13601702302 小钟</strong></span><br/><p><br/></p>");
document.write("2020年上海户口人新旧车上外地牌照"+jsonstr["sheng"]+xian[x]["shi"]+"【"+xian[x]["pai"]+"车牌】<br>");
document.write("<strong><span style='font-size: 24px;'>一、上海户口新车旧车办外地牌照"+jsonstr["sheng"]+xian[x]["shi"]+"【"+xian[x]["pai"]+"车牌】行情：</span></strong><br/>");
var dijishi="";
var dijishi=xian[x]["xian"];
var dijishilength=dijishi.length;
for(y=0;y<dijishilength;y++){
var day=randomNum(2,10);
var kms=randomNum(jsonstr["k1"],jsonstr["k2"]);
document.write(dijishi[y]+"【"+xian[x]["pai"]+"车牌】"+dijishi[y]+"距上海"+kms+"多公里，"+day+"天左右办好;<br>");
}
document.write("<p><br/></p><strong><span style='font-size: 24px;'>二、办外地牌照"+jsonstr["sheng"]+xian[x]["shi"]+"【"+xian[x]["pai"]+"车牌】需要材料和机动车手续：</span></strong><br>");
document.write("1）车架号拓印，发动机拓印号<br>");
document.write("2）上海户口新车旧车机动车交通事故责任强制保险单副本<br>");
document.write("3）上海户口新车旧车纳税申报表<br>");
document.write("4）上海户口新车旧车车辆一致性证书<br>");
document.write("5）车主本人身份证<br>");
document.write("6）上海户口新车旧车车辆合格证原件（进口车提供进口关单证明）<br>");
document.write("7）上海户口新车旧车发票三联（发票联、报税联、注册登记联）<br>");
document.write("8）原车照片两张<br>");
document.write("<p><br/></p><strong><span style='font-size: 24px;'>三、"+jsonstr["sheng"]+xian[x]["shi"]+"【"+xian[x]["pai"]+"车牌】介绍</span></strong><br>");
document.write("<p></p><p>文字</p>");
document.write("<p></p><p>############################</p>");
document.write("<p></p><p>############################</p>");
}
function randomNum(minNum, maxNum) {
switch (arguments.length) {
case 1:
return parseInt(Math.random() * minNum + 1, 10);
break;
case 2:
return parseInt(Math.random() * ( maxNum - minNum + 1 ) + minNum, 10);
//或者 Math.floor(Math.random()*( maxNum - minNum + 1 ) + minNum );
break;
default:
return 0;
break;
}
}
</script>
</body>
</html>