xcode 在 iOS SDK 中逐行读取文件
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Reading file line by line in iOS SDK
提问by DavidNg
I have a texfile as follows:
我有一个 texfile 如下：
line1
line2
line3
line4
line5
....
I want to read from file into two arrays of string so that line1, line3, line 5,...go into array1and line 2, line 4, line 6,...go into array2.
Each element of arrays stores one line.
我想从文件中读取两个字符串数组，以便line1, line3, line 5,...进入array1和line 2, line 4, line 6,...进入array2. 数组的每个元素存储一行。
回答by borrrden
Step 1) Read file ([NSString stringWithContentsOfFile:encoding:error:])
步骤 1) 读取文件 ( [NSString stringWithContentsOfFile:encoding:error:])
Step 2) Split string ([NSString componentsSeparatedByCharactersInSet:[NSCharacterSet newlineCharacterSet]])
步骤 2) 拆分字符串 ( [NSString componentsSeparatedByCharactersInSet:[NSCharacterSet newlineCharacterSet]])
Step 3) Iterate over array and insert into your 2 arrays
步骤 3）迭代数组并插入到您的 2 个数组中
