ZZ哥我调试过后!出现"错误: 参数类型错误: stringp nil"是那个字符出现空值?下面是我改过的程序!你看看1 (DEFUN C:YYXT () (DEFUN SHOWSLD () (IF (SETQ SLDNAME (FINDFILE "E:/YY/3SF.SLD")) (PROGN (SETQ X (DIMX_TILE "I2") Y (DIMY_TILE "I2")) (START_IMAGE "I2") (FILL_IMAGE 0 0 X Y -2) (SLIDE_IMAGE 0 0 X Y 3SF) (END_IMAGE) (START_LIST "ylist") (MAPCAR 'ADD_LIST YLIST) (END_LIST) )) ) (SETVAR "CMDECHO" 0) (if (= (setq fp (open (findfile "E:/yy/yfly.txt") "r")) nil) (alert "文件不存在或不能打开。") (PROGN (SETQ YLIST (LIST) FP (OPEN yfly "r")) (WHILE (SETQ SLDM (READ-LINE FP)) (SETQ YLIST (APPEND YLIST (LIST SLDM))) ) (IF (> (SETQ DCL_ID (LOAD_DIALOG "YYXT")) 0) (PROGN (IF (NEW_DIALOG "yyxt" DCL_ID) (PROGN (ACTION_TILE "xs24" "(SHOWSLD)") (ACTION_TILE "tuichu" "(DONE_DIALOG 0)") (START_DIALOG) ) (PRINC "\nUnable display dialog box!") ) (UNLOAD_DIALOG DCL_ID) ) (PRINC "\nUnable load dialog box!") ) )) (PRINC) ) 这是文本内容!! 油封漏油的排除 1 油标指示器卡死, 修复油标指示器 造成机油压力过高. 2 负压(阀)管不起作用, 修复负压(阀)管; 造成曲轴箱压力过高; 3 机油泵出口压力和流量过高 增加机油泵与泵盖之间的垫片 4 油封唇口的质量不佳、 更换油封,正确安装 维修安装方法不当。
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