REPORT ZTEST009. DATA:str1(20) TYPE c, str2(20) TYPE c, str3(20) TYPE c, str4(20) TYPE c, str5(20) TYPE c. str1 = 'hello '. str2 = 'world'. CONCATENATE str1 str2 INTO str3. "合并时候去掉空格 CONCATENATE str1 str2 INTO str4 SEPARATED BY ','."合并时候加上指定字符 CONCATENATE str1 str2 INTO str5 RESPECTING BLANKS."合并时候保留前后空格 WRITE: str3,/ str4,/ str5.
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