Javascript - 访问具有重复名称的对象答案

【问题标题】：Javascript - accessing an object with duplicate namesJavascript - 访问具有重复名称的对象
【发布时间】：2015-06-15 21:04:00
【问题描述】：

我有一个读入 Javascript 对象的 XML 文件。这称为 jsonXML。当我记录它时，我可以在控制台中看到它的全部内容。这是一个非常复杂的对象，有很多层和重复。

我需要访问其中一些重复的对象，但我似乎无法深入了解我需要的细节。我遇到的问题是重复的对象。

JS对象的结构如下：

个人资料组：
1. 文件：（我需要访问 85 个“文件对象”）
  1. 0：（我认为在树中这是文件的数组索引）
    1. 简介：
      1. WayPt：（我需要访问两个文件都有两个“WayPt”对象）
      2. 0：（我认为在树中这是WayPt的数组索引）
        
        距离
        
        本地坐标
    2. WayPt：
      1. 1：（我认为在树中这是WayPt的数组索引）
        
        距离
        
        本地坐标

我只是用它来尝试访问对象：

console.log(jsonXML.ProfileGroup.File.Profile.WayPt);

我可以使用console.log(jsonXML.ProfileGroup.File); 获取文件数组但我无法获得单独的“文件”对象或其他任何东西。

有关此问题的任何信息都会有所帮助。谢谢！

更新

这里有一些令人生厌的 JSON，希望看到它的人：

"xmlns": "www.geophysical.com/DZX/1.02",
"GlobalProperties": {
    "verticalUnit": "cm",
    "horizontalUnit": "m",
    "dielectric": "1.8000000",
    "readOnly": "0",
    "unitsPerMark": "100.0000000",
    "unitsPerScan": "0.0200000"
},
"Macro": {
    "state": "0",
    "Process": [
        {
            "state": "0",
            "BinaryData": "0&``!```$$`!C``H``````\"`@\n"
        },
        {
            "state": "0",
            "BinaryData": "L+``!```$)`!-`C,ST[\\`````````````A$$````````````````````````@\n"
        },
        {
            "state": "0",
            "BinaryData": "ME@`!```$C@`[`P````!!``\"X00``A$(`````````````````````````````\nM````````````````````````````````@$H``,A\"``#_`P``````````````\nM````````````````````````````````````````````````````````````\n/````````````````````\n"
        },
        {
            "state": "0",
            "BinaryData": "M2``!```$0``$```````#```````````````````````@`V0```#_`P``````\n;````````````````````````````````````\n"
        },
        {
            "state": "0",
            "BinaryData": "0$``!```$\"``G`0```````\"`@\n"
        }
    ]
},
"ProfileGroup": {
    "scanRange": "0,88815",
    "Radan3D": {
        "localMinCoords": "-0.5000000,0.0000000,0.0000000",
        "localMaxCoords": "18.0000000,25.0000000,0.0000000",
        "globalMinCoords": "0.0000000,0.0000000,0.0000000",
        "globalMaxCoords": "0.0000000,0.0000000,0.0000000",
        "localRotationAngle": "0.0000000",
        "displayXDirProfs": "1",
        "displayYDirProfs": "1",
        "displayOtherDirProfs": "0",
        "hide": "0",
        "localGain": "0.0000000",
        "displayOrder": "0",
        "flipDataInVertDir": "0",
        "flipDataInHorizDir": "0"
    },
    "File": [
        {
            "scanRange": "0,887",
            "name": "HARMONY   __050.DZT",
            "Profile": {
                "scanRange": "0,887",
                "Comment": {
                    "scan": "0",
                    "description": "Data Collection Notes: "
                },
                "WayPt": [
                    {
                        "scan": "0",
                        "mark": "User",
                        "name": "Mark2",
                        "distance": "0.0000000",
                        "localCoords": "0.0000000,0.5000000,0.0000000"
                    },
                    {
                        "scan": "887",
                        "distance": "18",
                        "localCoords": "18,0.5000000,0.0000000"
                    }
                ]
            }
        },
        {
            "scanRange": "888,1785",
            "name": "HARMONY   __051.DZT",
            "Profile": {
                "scanRange": "888,1785",
                "Comment": {
                    "scan": "888",
                    "description": "Data Collection Notes: "
                },
                "WayPt": [
                    {
                        "scan": "888",
                        "mark": "User",
                        "name": "Mark2",
                        "distance": "0.0000000",
                        "localCoords": "18.0000000,0.5208333,0.0000000"
                    },
                    {
                        "scan": "1785",
                        "distance": "17.9400000",
                        "localCoords": "0.0600000,0.5208333,0.0000000"
                    }
                ]
            }
        },
        {
            "scanRange": "1786,2681",
            "name": "HARMONY   __052.DZT",
            "Profile": {
                "scanRange": "1786,2681",
                "Comment": {
                    "scan": "1786",
                    "description": "Data Collection Notes: "
                },
                "WayPt": [
                    {
                        "scan": "1786",
                        "mark": "User",
                        "name": "Mark2",
                        "distance": "0.0000000",
                        "localCoords": "-0.5000000,1.0416667,0.0000000"
                    },
                    {
                        "scan": "2681",
                        "distance": "17.9000000",
                        "localCoords": "17.4000000,1.0416667,0.0000000"
                    }
                ]
            }
        },
        {
            "scanRange": "2682,3574",
            "name": "HARMONY   __053.DZT",
            "Profile": {
                "scanRange": "2682,3574",
                "Comment": {
                    "scan": "2682",
                    "description": "Data Collection Notes: "
                },
                "WayPt": [
                    {
                        "scan": "2682",
                        "mark": "User",
                        "name": "Mark2",
                        "distance": "0.0000000",
                        "localCoords": "18.0000000,1.5625000,0.0000000"
                    },
                    {
                        "scan": "3574",
                        "distance": "17.8400000",
                        "localCoords": "0.1600000,1.5625000,0.0000000"
                    }
                ]
            }
        },
        {
            "scanRange": "3575,4470",
            "name": "HARMONY   __054.DZT",
            "Profile": {
                "scanRange": "3575,4470",
                "Comment": {
                    "scan": "3575",
                    "description": "Data Collection Notes: "
                },
                "WayPt": [
                    {
                        "scan": "3575",
                        "mark": "User",
                        "name": "Mark2",
                        "distance": "0.0000000",
                        "localCoords": "-0.5000000,2.0833333,0.0000000"
                    },
                    {
                        "scan": "4470",
                        "distance": "17.9000000",
                        "localCoords": "17.4000000,2.0833333,0.0000000"
                    }
                ]
            }
        },
        {
            "scanRange": "4471,5370",
            "name": "HARMONY   __055.DZT",
            "Profile": {
                "scanRange": "4471,5370",
                "Comment": {
                    "scan": "4471",
                    "description": "Data Collection Notes: "
                },
                "WayPt": [
                    {
                        "scan": "4471",
                        "mark": "User",
                        "name": "Mark2",
                        "distance": "0.0000000",
                        "localCoords": "18.0000000,2.6041667,0.0000000"
                    },
                    {
                        "scan": "5370",
                        "distance": "17.9800000",
                        "localCoords": "0.0200000,2.6041667,0.0000000"
                    }
                ]
            }
        }
    ]
}

}

文件很长，所以我在文件末尾截断了它。

【问题讨论】：

您能否向我们展示实际的 JSON 而不是“结构”列表？

标签： javascript arrays xml object

【解决方案1】：

我实际上环顾四周，想出了如何做到这一点。我在不同的主题下找到了它，但我认为我可以帮助其他人解决这个特定问题。

要获取这些多个数组项，您必须像这样放入索引：

console.log(jsonXML.ProfileGroup.File["0"].Profile.WayPt["0"].distance);

在遍历对象时，可以这样使用：

files=[];  //array of file names
daters=[];  //final array of arrays
tempVal =[];  //temporary array
subArray=[];  //temporary array of sub values
var filz = jsonXML.ProfileGroup.File.length;
//depending on how many files there are, find out how many
for (i=0;i<filz;i++)
{
  //add each file name to an array called 'files'
  files.push(jsonXML.ProfileGroup.File[i].name);
  //since in my example there are two objects called WayPt
  for (j=0; j<2; j++)
  {
    //I use an array here to make it easy to combine into the other array
    tempVal.push(jsonXML.ProfileGroup.File[i].Profile.WayPt[j].distance);
    //since I have a string of comma separated values, make an array of these
    subArray = jsonXML.ProfileGroup.File[i].Profile.WayPt[j].localCoords.split(',');
    //combine the two above arrays
    arrayNew = tempVal.concat(subArray)
    push this array into the final array to use later
    daters.push(arrayNew);
    //reset the temporary values otherwise they will keep getting larger
    tempVal=[];
    arrayNew=[];
    subArray=[]; 
  }
}

当命名字段中有多个条目时，这是您深入了解对象的方式。

希望这对其他人有帮助！

【讨论】：