67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
#include "CommonFunction.h"
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namespace pst
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{
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// 字符串分割
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CommonFunction::CommonFunction()
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{
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}
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void CommonFunction::Stringsplit(const std::string& str, const std::string& splits,
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std::vector<std::string>& res)
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{
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if (str == "")
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{
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return;
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}
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//在字符串末尾也加入分隔符，方便截取最后一段
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std::string strs = str + splits;
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size_t pos = strs.find(splits);
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int step = splits.size();
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res.clear();
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// 若找不到内容则字符串搜索函数返回 npos
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while (pos != strs.npos)
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{
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std::string temp = strs.substr(0, pos);
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res.push_back(temp);
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//去掉已分割的字符串,在剩下的字符串中进行分割
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strs = strs.substr(pos + step, strs.size());
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pos = strs.find(splits);
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}
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}
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//去除字符串首尾空格
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std::string CommonFunction::trim(const std::string& s1)
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{
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std::string s = s1;
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if (!s.empty())
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{
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s.erase(0, s.find_first_not_of(" "));
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s.erase(s.find_last_not_of(" ") + 1);
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}
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return s;
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}
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void CommonFunction::SphereToRectangularCoorSys(const double theta, const double phi, const double r, double& x, double& y, double& z)
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{
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double my_pi = 3.141592653589793238462643383279502884L;
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double val = my_pi / 180;
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x = r * std::sin(theta * val) * std::cos(phi * val);
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y = r * std::sin(theta * val) * std::sin(phi * val);
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z = r * std::cos(theta * val);
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}
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void CommonFunction::PolarToRectangularCoorSys(const double theta, const double r, double& x, double& y)
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{
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double my_pi = 3.141592653589793238462643383279502884L;
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double val = my_pi / 180;
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x = r * std::cos(theta * val);
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y = r * std::sin(theta * val);
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}
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}
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