为什么有的行开头添加了+或-或~， 这是什么作用？怎么关闭呢

[back2childhood]

[back2childhood]

~     if (temp.bandWidth==92160000){rbwgain =rbw_120k_gain + cal_mid;}

~     else if(temp.bandWidth==46080000){rbwgain = rbw_60k_gain + cal_mid;}

~     else if(temp.bandWidth==23040000){rbwgain = rbw_30k_gain + cal_mid;}

~     else if(temp.bandWidth==11520000){rbwgain = rbw_15k_gain + cal_mid;}

~     else if(temp.bandWidth==5760000){rbwgain = rbw_7k_gain + cal_mid;}

[back2childhood]

~     mem.AXI_REG_Ctrl(mem.axi_config_map_ptr,&SysCmd,0,0x80000000);
+     mem.AXI_REG_Ctrl(mem.axi_config_map_ptr,&StorFrameNum, 0,framenumber * 2);
+     mem.AXI_REG_Ctrl(mem.axi_config_map_ptr,& StorMemBaseAdr, 0,0);

[back2childhood]

感觉好丑，也不知道有啥用，看的好难受呀

[youngyangyang04]

你这个是什么语言的代码呢？

[xiaotong-sun]

这个应该就是git状态的显示，记录你对文件做了哪些修改