Java 查找 JSONArray 中元素的索引
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Find index of element in a JSONArray
提问by Kartik_Koro
I receive a JSONObject from server that is as follows:
我从服务器收到一个 JSONObject，如下所示：
{
"opOutput":{
"DISPLAY_VALUES":[
"Acceptance",
"Arrive Load Port",
"Arrive Receipt Point",
"Arrive Relay Port",
"Arrive Terminal",
"Arrived at Delivery Location",
"Arrived at Pickup Location",
"Arrived Intermodal Train",
"At Customs",
.
.
.
.
],
"VALUES":[
"ACCPT",
"ALPT",
"ARRP",
"ARREL",
"ATRM",
"QARD",
"ARPUL",
"AIMTRN",
"K",
.
.
.
.
]
},
"_returnValue":{
"TX_TYPE":"SHIPMENT",
"__DeltaStatus":2,
"ORG_CODE":"GFM",
"TX_ID":"11019082"
},
"_returnType":"SUCCESS"
}
Now I need to get the display value for s String s that is equal to one of the values. i.e I have string "ACCPT" and i need to get "Acceptance" from the JSONObject.
现在我需要获取等于其中一个值的 s String s 的显示值。即我有字符串“ACCPT”，我需要从 JSONObject 获得“接受”。
I've made two JSONArrays with DISPLAY_VALUES and VALUES with
我用 DISPLAY_VALUES 和 VALUES 制作了两个 JSONArrays
JSONObject opoutput=shipmentcodes.getJSONObject("opOutput");
JSONArray event_values=opoutput.getJSONArray("DISPLAY_VALUES");
JSONArray event_codes=opoutput.getJSONArray("VALUES");
where shipmentcodes is the original JSONObject, but I'm unsure about how to proceed further. Any tips?
其中装运代码是原始 JSONObject，但我不确定如何进一步处理。有小费吗？
采纳答案by MjZac
Add the values from JSONArrayto a Listand use the indexOfmethod
将值添加JSONArray到 aList并使用该indexOf方法
JSONArray event_values = opoutput.getJSONArray("DISPLAY_VALUES");
JSONArray event_codes = opoutput.getJSONArray("VALUES");
List<String> valueList = new ArrayList<String>();
List<String> displayList = new ArrayList<String>();
for(int i=0;i<event_codes.length();i++){
// if both event_values and event_codes are of equal length
valueList.add(event_codes.getString(i));
displayList.add(event_values.getString(i));
}
int index = valueList.indexOf("ACCPT");
String valueToDisplay = displayList.get(index);
You can then use valueToDisplayfor displaying the value you need.
然后您可以valueToDisplay用于显示您需要的值。
