[英]How to read text file between specific words?
I want the text between "profile name" and "###".The extracted text should be display in the text browser. 我想要“个人资料名称”和“ ###”之间的文本。提取的文本应显示在文本浏览器中。 The profile name is varying.
配置文件名称有所不同。 My text file(harnish_data.txt) is looking like this,
我的文本文件(harnish_data.txt)看起来像这样,
XYZ Profile
First Name :- XYZ
Second Name :- sssss
Last Name :- sssss
Favourite Food :- sssss
Favourite Actor :- sssss
Favourite Actress :- ssssss
###
PQR Profile
First Name :- PQR
Second Name :- hhhhh
Last Name :- hhhhh
Favourite Food :- hhhhhh
Favourite Actor :- hhhhhh
Favourite Actress :- hhhhh
###
Now If profile name is XYZ then I want the text data between XYZ Profile to ###. 现在,如果配置文件名称为XYZ,那么我希望XYZ配置文件之间的文本数据为###。 and If profile name is PQR then I want the text between PQR Profile to ###.
如果个人资料名称为PQR,则我希望PQR个人资料之间的文本为###。 The no of a profile maybe increase.
配置文件的数量可能会增加。
I have tried like this, here detail_data.txt file contains only my profile name. 我已经尝试过了,这里的detail_data.txt文件仅包含我的个人资料名称。
QFile file("detail_data.txt");
file.open(QIODevice::ReadWrite);
QTextStream inn(&file);
const QString contentt = inn.readLine(); //contentt contain profile name
qDebug() << contentt; // PQR
QFile MyFile("harnish_data.txt"); // contains profile data
MyFile.open(QIODevice::ReadWrite);
QTextStream in (&MyFile);
const QString content = in.readAll(); // contains profile data
QString srch (contentt + " " + "Profile");
qDebug() << srch << "search string"; // PQR Profile
int pos = content.indexOf(srch);
qDebug() << pos << "index of srch"; //155
if ( pos >= 0 )
{
QString restOfLine = content.mid(pos + srch.length(), srch.endsWith("###"));
qDebug() << srch.length() << "srch.length()"; //11
qDebug() << restOfLine << "restOfLine of mid"; //\nFirst Name :- PQR\nSecond Name :- hhhhh\nLast Name :- hhhhh\n\nFavourite Food :- hhhhhh\nFavourite Actor :- hhhhhh\nFavourite Actress :- hhhhh\n###\n\n" restOfLine of mid
}
ui->textBrowser->setText(in.readAll());
I have run the above code but it gives me whole text file data while I want data between 'profile name' and '###'. 我已经运行了上面的代码,但是当我想要'profile name'和'###'之间的数据时,它为我提供了整个文本文件数据。
Your error is in this line: 您的错误在以下行中:
ui->textBrowser->setText(in.readAll());
It should be: 它应该是:
ui->textBrowser->setText(restOfLine);
Search first for profile index and then for the three #: 首先搜索配置文件索引,然后搜索三个#:
QString srch(contentt + " " + "Profile");
int pos = content.indexOf(srch);
QString srch2("###");
int pos2 = content.indexOf(srch2);
if ( pos1 >= 0 && pos2 >= 0)
QString restOfLine = content.mid(pos1, pos2-pos1);
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