如何二维字符串数组转换为2D [INT,双,布尔,..]数组? [英] How to convert 2D string array to 2D [int, double, bool, ..] array?
问题描述
我的目标就是这些了。</ P>
- 转换数据类字典。
- 保存/载入字典/从TXT,数据库等。
- 转换字典数据类
我想我解决了alomost,但有一个问题还是remail。
的问题是转换二维字符串数组至2d它的原始数据类型阵列
我已经成功将字符串转换为原始数据类型。
像这样
公共静态无效SetFieldValue(目标对象,字段信息字段信息,字符串值)
{
字符串的字段类型= fieldInfo.FieldType.Name;
字段类型= fieldType.ToLower(); 开关(字段类型)
{
案布尔:
布尔B:
fieldInfo.SetValue(目标,bool.TryParse(价值,走出二)B:假);
打破; 案INT32:
INT N;
fieldInfo.SetValue(目标,int.TryParse(值,N个)N:0);
打破; 案例双:
双D;
fieldInfo.SetValue(目标,double.TryParse(值,输出D)D:0);
打破; 案串:
fieldInfo.SetValue(目标价值);
打破;
}
}
我已经成功转换的一维字符串数组至1d原始数据类型的数组。
像这样
公共静态无效SetFieldValue(目标对象,字段信息字段信息,字符串[] ARR)
{
字符串的字段类型= fieldInfo.FieldType.Name;
字段类型= fieldType.ToLower();
字段类型= fieldType.Replace([],); 开关(字段类型)
{
案布尔:
布尔B:
布尔[] = arr_b Array.ConvertAll(ARR,S = GT; bool.TryParse(S,OUT B)B:假);
fieldInfo.SetValue(目标,arr_b);
打破; 案INT32:
INT N;
INT [] = arr_n Array.ConvertAll(ARR,S = GT; int.TryParse(S,N个)N:0);
// INT [] = arr_n1 Array.ConvertAll(ARR,int.Parse);
// INT [] = arr_n2 arr.Select(S = GT; int.TryParse(S,N个)N:0).ToArray();
fieldInfo.SetValue(目标,arr_n);
打破; 案例双:
双D;
双[] = arr_d Array.ConvertAll(ARR,S = GT; double.TryParse(S,输出D)D:0);
fieldInfo.SetValue(目标,arr_d);
打破; 案串:
fieldInfo.SetValue(目标,ARR);
打破;
}
}
不过,我应该怎么办时,手柄二维数组?
公共静态无效SetFieldValue(目标对象,字段信息字段信息,字符串[,] ARR)
{
字符串的字段类型= fieldInfo.FieldType.Name;
字段类型= fieldType.ToLower();
字段类型= fieldType.Replace([,],); INT N;
双D;
布尔B:
开关(字段类型)
{
案布尔:
//布尔[] = arr_b Array.ConvertAll(ARR,S = GT; bool.TryParse(S,OUT B)B:假);
//fieldInfo.SetValue(target,arr_b);
打破; 案INT32:
// INT [,] arr_n = Array.ConvertAll(ARR,S = GT; int.TryParse(S,N个)N:0);
//fieldInfo.SetValue(target,arr_n);
打破; 案例双:
//双[,] arr_d = Array.ConvertAll(ARR,S = GT; double.TryParse(S,输出D)D:0);
//fieldInfo.SetValue(target,arr_d);
打破; 案串:
fieldInfo.SetValue(目标,ARR);
打破;
}
}
和,我需要解决这个问题,是因为我无法得到的阵列位置的GetType()。getfield命令。我放弃了得到数组[行,列]数组[n_th,m_th]的getfield命令。
最简单的方法是只在阵列上循环:
字符串[,]字符串=新的字符串[,] {{1,2,3},{4,5,6 }};
INT [,]整数=新INT [strings.GetLength(0),strings.GetLength(1)];的for(int i = 0; I&LT; strings.GetLength(0);我++)
{
为(中间体J = 0; J&下; strings.GetLength(1); J ++)
{
int.TryParse(字符串[I,J],出整数[I,J]);
}
}
My Goal is these.
- convert data class to dictionary.
- save/load that dictionary to/from txt, database, etc.
- convert dictionary to data class
I think I solved alomost, but one problem still remail.
the problem is that convert 2d string array to 2d it's original datatype array.
I have succeeded convert string to original datatype. like this
public static void SetFieldValue(Object target, FieldInfo fieldInfo, string value)
{
string fieldType = fieldInfo.FieldType.Name;
fieldType = fieldType.ToLower();
switch (fieldType)
{
case "boolean":
bool b;
fieldInfo.SetValue(target, bool.TryParse(value, out b) ? b : false);
break;
case "int32":
int n;
fieldInfo.SetValue(target, int.TryParse(value, out n) ? n : 0);
break;
case "double":
double d;
fieldInfo.SetValue(target, double.TryParse(value, out d) ? d : 0);
break;
case "string":
fieldInfo.SetValue(target, value);
break;
}
}
I have succeeded convert 1d string array to 1d original datatype array. like this
public static void SetFieldValue(Object target, FieldInfo fieldInfo, string[] arr)
{
string fieldType = fieldInfo.FieldType.Name;
fieldType = fieldType.ToLower();
fieldType = fieldType.Replace("[]", "");
switch (fieldType)
{
case "boolean":
bool b;
bool[] arr_b = Array.ConvertAll(arr, s => bool.TryParse(s, out b) ? b : false);
fieldInfo.SetValue(target, arr_b);
break;
case "int32":
int n;
int[] arr_n = Array.ConvertAll(arr, s => int.TryParse(s, out n) ? n : 0);
//int[] arr_n1 = Array.ConvertAll(arr, int.Parse);
//int[] arr_n2 = arr.Select(s => int.TryParse(s, out n) ? n : 0).ToArray();
fieldInfo.SetValue(target, arr_n);
break;
case "double":
double d;
double[] arr_d = Array.ConvertAll(arr, s => double.TryParse(s, out d) ? d : 0);
fieldInfo.SetValue(target, arr_d);
break;
case "string":
fieldInfo.SetValue(target, arr);
break;
}
}
but, what should i do when handle 2D array?
public static void SetFieldValue(Object target, FieldInfo fieldInfo, string[,] arr)
{
string fieldType = fieldInfo.FieldType.Name;
fieldType = fieldType.ToLower();
fieldType = fieldType.Replace("[,]", "");
int n;
double d;
bool b;
switch (fieldType)
{
case "boolean":
//bool[] arr_b = Array.ConvertAll(arr, s => bool.TryParse(s, out b) ? b : false);
//fieldInfo.SetValue(target, arr_b);
break;
case "int32":
//int[,] arr_n = Array.ConvertAll(arr, s => int.TryParse(s, out n) ? n : 0);
//fieldInfo.SetValue(target, arr_n);
break;
case "double":
//double[,] arr_d = Array.ConvertAll(arr, s => double.TryParse(s, out d) ? d : 0);
//fieldInfo.SetValue(target, arr_d);
break;
case "string":
fieldInfo.SetValue(target, arr);
break;
}
}
and, what i need to solve this problem is because I can't get GetType().GetField of array position. I gave up to get GetField of array[n_th,m_th] of array[row,col].
The easiest way is to just loop over the array:
string[,] strings = new string[,] { { "1", "2", "3" }, { "4", "5", "6" } };
int[,] ints = new int[strings.GetLength(0), strings.GetLength(1)];
for (int i = 0; i < strings.GetLength(0); i++)
{
for (int j = 0; j < strings.GetLength(1); j++)
{
int.TryParse(strings[i, j], out ints[i, j]);
}
}
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