调用python代码
application.properties中的python脚本路径配置,注意:python脚本路径不要加引号,例如:
InterfaceWaterMonitorAdditionRedundancyPath="/opt/python/QuRongYu.py",这样在调用时会出现不能打卡文件的错误。
#除冗余的脚本路径 服务器上路径不要加引号 InterfaceWaterMonitorAdditionRedundancyPath=/opt/python/QuRongYu.py
String[] argus = new String[]{"/usr/local/python3/bin/python3.6", InterfaceWaterMonitorAdditionRedundancyPath, fileName + "#" + argusBuffer.toString()}; log.info("python:" + argus[0]); log.info("python path:" + argus[1]); log.info("argus:" + argus[2]); try { long start = System.currentTimeMillis(); Process proc2 = Runtime.getRuntime().exec(argus); new Thread(new Runnable() { @Override public void run() { BufferedReader in = null; try { in = new BufferedReader(new InputStreamReader(proc2.getInputStream(), "gbk")); String line = ""; while ((line = in.readLine()) != null) { log.info("line:" + line); } } catch (Exception e) { e.printStackTrace(); } } }).start(); //错误流 new Thread(new Runnable() { @Override public void run() { String err = null; while (true) { try { BufferedReader error = new BufferedReader(new InputStreamReader(proc2.getErrorStream(), "gbk")); if (((err = error.readLine()) != null)) { log.info("error:" + err); } } catch (IOException e) { e.printStackTrace(); } } } }).start(); int x = proc2.waitFor();//0-成功 不是0,调用Python算法失败
其中:/usr/local/python3/bin/python3.6 python解析器路径寻找方法如下:
python
import sys
sys.path
找到后如何确定是否找对路径呢,
可以用解析器路径直接调用python脚本,格式如下:
解析器路径 python脚本路径
/usr/local/python3/bin/python3.6 python脚本路径
建议python里面可以打印log,能够直观看出是否调用成功