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我正在学习如何对我正在尝试构建的项目编码。从数组中获取子类
for (i = 0; i < results.length; i++) {
console.log("Formatted Address: "+ results[i].formatted_address + "\n" +
"Geometry: "+ results[i].geometry.location + "\n" +
"Types: "+ results[i].types + "\n" +
results[i].address_components[0].types + ": " + results[i].address_components[0].long_name + "\n" +
results[i].address_components[1].types + ": " + results[i].address_components[1].long_name + "\n" +
results[i].address_components[2].types + ": " + results[i].address_components[2].long_name + "\n" +
results[i].address_components[3].types + ": " + results[i].address_components[3].long_name + "\n" +
results[i].address_components[4].types + ": " + results[i].address_components[4].long_name + "\n" +
results[i].address_components[5].types + ": " + results[i].address_components[5].long_name + "\n" +
results[i].address_components[6].types + ": " + results[i].address_components[6].long_name + "\n" +
results[i].address_components[7].types + ": " + results[i].address_components[7].long_name + "\n" +
results[i].address_components[8].types + ": " + results[i].address_components[8].long_name + "\n" +
results[i].address_components[9].types + ": " + results[i].address_components[9].long_name
);
formattedAddress = results[i].formatted_address;
coordinates = results[i].geometry.location;
types = results[i].types;
// component = results[i].address_components[0].types;
no = i+1;
output += "<li>";
output += "<p><i>"+ no +"</i></p>"
output += "<p><b>"+ formattedAddress +"</b></p>";
output += "<p>"+ coordinates +"</p>";
output += "<p>"+ types +"</p>";
output += "</li>";
//console.log("results for "+ [i] + " :" + output);
$("#list-locations").html(output);
}
我想读&输出的地址组件(.types & .long_name),它可以根据搜索项有所不同长度:所以继承人一些JavaScript我正在与谷歌地图API执行的代码段。某些搜索字词只会返回1种类型& long_name字段,而其他搜索字词可能会返回7或8.
我最终希望将其添加到我的输出变量中。
下面是一个例子JSON回报:
{
"types":["locality","political"],
"formatted_address":"Winnetka, IL, USA",
"address_components":[{
"long_name":"Winnetka",
"short_name":"Winnetka",
"types":["locality","political"]
},{
"long_name":"Illinois",
"short_name":"IL",
"types":["administrative_area_level_1","political"]
},{
"long_name":"United States",
"short_name":"US",
"types":["country","political"]
}],
"geometry":{
"location":[ -87.7417070, 42.1083080],
"location_type":"APPROXIMATE"
},
"place_id": "ChIJW8Va5TnED4gRY91Ng47qy3Q"
}
在这个例子中address_components[2].long_name
将返回 “美的”,而address_components[3].long_name
将返回undefined
。
如何添加计数器,以便... address_components[j].long_nam
e是长度的no。特定搜索词中的字段(j
是那个数字)?
嗯,'无功j = address_components.length'? – adeneo
'var j = address_components.length -1' – localghost
似乎有效。只是想方设法将所有内容放入输出中。相当累,所以我会在明天发布修改后的代码作为答案。感谢您的帮助。 –