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标题: 新手提问 lr_save_string后无法用lr_eval_string取出参数的值 [打印本页]

作者: jylizhihui 时间: 2017-7-9 20:06
标题: 新手提问 lr_save_string后无法用lr_eval_string取出参数的值

各位大大，小弟压测时遇到一个问题，给一个参数用lr_save_string后无法用lr_eval_string取出该参数的值，日志中打印出来的值问参数名。
请问该如何才能取出参数{ParamTest1}的值，并在日志中打印出来？
脚本如下：

Action()
{
lr_start_transaction("Test");
      lr_think_time(2);
      lr_save_string("hello world","{ParamTest1}");
      lr_log_message("~~~~~~~~~~~~~ Begin ~~~~~~~~~~~~~");
lr_log_message("The value of {ParamTest1} is: %s ! ",lr_eval_string("{ParamTest1}"));
      lr_log_message("~~~~~~~~~~~~~ End ~~~~~~~~~~~~~");
lr_end_transaction("Test",LR_AUTO);
      return 0;
}

运行结果如下：
Starting action Action.       [MsgId: MMSG-15919]
Action.c(12): Notify: Transaction "Test" started.       [MsgId: MMSG-16999]
Action.c(13): lr_think_time: 2.00 seconds.       [MsgId: MMSG-15948]
Action.c(14): Notify: Saving Parameter "{ParamTest1} = hello world".       [MsgId: MMSG-13798]
~~~~~~~~~~~~~ Begin ~~~~~~~~~~~~~       [MsgId: MMSG-17999]
The value of {ParamTest1} is: {ParamTest1} !       [MsgId: MMSG-17999]
~~~~~~~~~~~~~ End ~~~~~~~~~~~~~       [MsgId: MMSG-17999]
Action.c(18): Notify: Transaction "Test" ended with "Pass" status (Duration: 2.0004 Think Time: 1.9997).       [MsgId: MMSG-16872]
Ending action Action.       [MsgId: MMSG-15918]
Ending iteration 1.       [MsgId: MMSG-15965]
Starting iteration 2.       [MsgId: MMSG-15968]
Notify: Next row for parameter ParamTest = 2 [table  = ParamTest].       [MsgId: MMSG-13876]
Notify: Getting new value for parameter 'ParamTest': table = 'ParamTest.dat' column = '0' row = '2'.       [MsgId: MMSG-13877]
Notify: Next row for parameter ParamTest1 = 1 [table  = ParamTest1].       [MsgId: MMSG-13876]
Notify: Getting new value for parameter 'ParamTest1': table = 'ParamTest1.dat' column = '0' row = '1'.       [MsgId: MMSG-13877]
Starting action Action.       [MsgId: MMSG-15919]
Action.c(12): Notify: Transaction "Test" started.       [MsgId: MMSG-16999]
Action.c(13): lr_think_time: 2.00 seconds.       [MsgId: MMSG-15948]
Action.c(14): Notify: Saving Parameter "{ParamTest1} = hello world".       [MsgId: MMSG-13798]
~~~~~~~~~~~~~ Begin ~~~~~~~~~~~~~       [MsgId: MMSG-17999]
The value of {ParamTest1} is: {ParamTest1} !       [MsgId: MMSG-17999]
~~~~~~~~~~~~~ End ~~~~~~~~~~~~~       [MsgId: MMSG-17999]
Action.c(18): Notify: Transaction "Test" ended with "Pass" status (Duration: 2.0009 Think Time: 2.0006).       [MsgId: MMSG-16872]

作者: y2907818 时间: 2017-7-10 09:27
这样写：lr_save_string("hello word","ParamTest1");

作者: jylizhihui 时间: 2017-7-10 11:31

y2907818 发表于 2017-7-10 09:27
这样写：lr_save_string("hello word","ParamTest1");

我试了下lr_save_string("hello word","ParamTest1")的情况下， lr_eval_string("ParamTest1") 跟 lr_eval_string("{ParamTest1}") 都取不到 hello word，而还是取的参数名 ParamTest1跟{ParamTest1}。
情形一
脚本如下：
Action()
{
  lr_start_transaction("Test");
lr_think_time(2);
lr_save_string("hello world","ParamTest1");
lr_log_message("~~~~~~~~~~~~~ Begin ~~~~~~~~~~~~~");
  lr_log_message("The value of {ParamTest1} is: %s ! ",lr_eval_string("{ParamTest1}"));
lr_log_message("~~~~~~~~~~~~~ End ~~~~~~~~~~~~~");
  lr_end_transaction("Test",LR_AUTO);
return 0;
}

日志如下：
Starting iteration 1. [MsgId: MMSG-15968]
Starting action Action. [MsgId: MMSG-15919]
Action.c(12): Notify: Transaction "Test" started. [MsgId: MMSG-16999]
Action.c(13): lr_think_time: 2.00 seconds. [MsgId: MMSG-15948]
Action.c(15): Notify: Saving Parameter "ParamTest1 = hello world". [MsgId: MMSG-13798]
~~~~~~~~~~~~~ Begin ~~~~~~~~~~~~~ [MsgId: MMSG-17999]
The value of {ParamTest1} is: {ParamTest1} ! [MsgId: MMSG-17999]
~~~~~~~~~~~~~ End ~~~~~~~~~~~~~ [MsgId: MMSG-17999]
Action.c(20): Notify: Transaction "Test" ended with "Pass" status (Duration: 2.0036 Think Time: 2.0029). [MsgId: MMSG-16872]
Ending action Action. [MsgId: MMSG-15918]
Ending iteration 1. [MsgId: MMSG-15965]

情形二
脚本如下：
Action()
{
  lr_start_transaction("Test");
lr_think_time(2); //lr_save_string("hello world","{ParamTest1}");
lr_save_string("hello world","ParamTest1");
lr_log_message("~~~~~~~~~~~~~ Begin ~~~~~~~~~~~~~");
lr_log_message("The value of \"ParamTest1\" is: %s ! ",lr_eval_string("ParamTest1"));
lr_log_message("~~~~~~~~~~~~~ End ~~~~~~~~~~~~~");
  lr_end_transaction("Test",LR_AUTO);
return 0;
}

日志如下：
Starting iteration 1. [MsgId: MMSG-15968]
Starting action Action. [MsgId: MMSG-15919]
Action.c(12): Notify: Transaction "Test" started. [MsgId: MMSG-16999]
Action.c(13): lr_think_time: 2.00 seconds. [MsgId: MMSG-15948]
Action.c(15): Notify: Saving Parameter "ParamTest1 = hello world". [MsgId: MMSG-13798]
~~~~~~~~~~~~~ Begin ~~~~~~~~~~~~~ [MsgId: MMSG-17999]
The value of "ParamTest1" is: ParamTest1 ! [MsgId: MMSG-17999]
~~~~~~~~~~~~~ End ~~~~~~~~~~~~~ [MsgId: MMSG-17999]
Action.c(20): Notify: Transaction "Test" ended with "Pass" status (Duration: 2.0142 Think Time: 2.0133). [MsgId: MMSG-16872]
Ending action Action. [MsgId: MMSG-15918]
Ending iteration 1. [MsgId: MMSG-15965]

作者: y2907818 时间: 2017-7-10 14:21
lr_save_string("hello word","ParamTest1");
lr_save_string(lr_eval_string("{ParamTest1}"),"a");

lr_log_message ("login failed: %s",lr_eval_string("{a}"));

//lr_output_message(lr_eval_string("{ParamTest1}"));

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